rewrite all '$SOME_VAR' test expressions to '($SOME_VAR != null && $SOME_VAR != "")'

refactor: remove deprecated legacy $OS_REVIEW_ENVIRONMENT_SCHEME and $OS_REVIEW_ENVIRONMENT_DOMAIN variables support

 requires GitLab 16.6 or later

# [5.1.0](https://gitlab.com/to-be-continuous/openshift/compare/5.0.1...5.1.0) (2023-12-8)

### Features

* use centralized service images (gitlab.com) ([989589c9](https://gitlab.com/to-be-continuous/openshift/commit/989589c9da53c8fb6abec420c2bf2461ad57ed19))

## [5.0.1](https://gitlab.com/to-be-continuous/openshift/compare/5.0.0...5.0.1) (2023-12-2)

### Bug Fixes

* envsubst when variable contains a '&' ([73a3b172](https://gitlab.com/to-be-continuous/openshift/commit/73a3b1726cc7a344c60f925fa1ad77fc142977c2))

# [5.0.0](https://gitlab.com/to-be-continuous/openshift/compare/4.1.0...5.0.0) (2023-10-16)

### Bug Fixes

* declare all TBC stages ([5aa7a942](https://gitlab.com/to-be-continuous/openshift/commit/5aa7a942bad2eb13428c4b8b359f29475ca007ab))

* feat!: support environment auto-stop ([08d32f5f](https://gitlab.com/to-be-continuous/openshift/commit/08d32f5fcca6003036beadf7583d4911de984b4c))

### BREAKING CHANGES

* now review environments will auto stop after 4 hours
by default. Configurable (see doc).

BREAKING CHANGE: now review environments will auto stop after 4 hours
by default. Configurable (see doc).

# [4.1.0](https://gitlab.com/to-be-continuous/openshift/compare/4.0.0...4.1.0) (2023-09-02)

### Features

* allow propagate custom output variables ([99c20064](https://gitlab.com/to-be-continuous/openshift/commit/99c200649939fb1e363a1c5f4416a04abee04684))

The template now allows the deployment script to propagate custom
output variables.

# [4.0.0](https://gitlab.com/to-be-continuous/openshift/compare/3.1.0...4.0.0) (2023-08-28)

### Features

* **oidc:** OIDC authentication support now requires explicit configuration (see doc) ([2e65130e](https://gitlab.com/to-be-continuous/openshift/commit/2e65130e175d888bf02ccd438af5c0593e4df7b1))

### BREAKING CHANGES

* **oidc:** OIDC authentication support now requires explicit configuration (see doc)

Due to CI_JOB_JWT-* variables discontinued, TBC now switches
to ID tokens for Vault authentication support.

BREAKING CHANGE: OIDC authentication support now requires explicit configuration (see doc)

# [3.1.0](https://gitlab.com/to-be-continuous/openshift/compare/3.0.0...3.1.0) (2023-05-27)

### Features

* **workflow:** extend (skip ci) feature ([25b59884](https://gitlab.com/to-be-continuous/openshift/commit/25b59884497a4ea94eec97c7551e30850bd5fc76))

# [3.0.0](https://gitlab.com/to-be-continuous/openshift/compare/2.2.5...3.0.0) (2023-04-05)

### Features

* **deploy:** redesign deployment strategy ([989340e6](https://gitlab.com/to-be-continuous/openshift/commit/989340e677e34e65e69a63501595faa7b9157805))

### BREAKING CHANGES

* **deploy:** $AUTODEPLOY_TO_PROD no longer supported (replaced by $OS_PROD_DEPLOY_STRATEGY - see doc)

BREAKING CHANGE: $AUTODEPLOY_TO_PROD no longer supported (replaced by $OS_PROD_DEPLOY_STRATEGY - see doc)

## [2.2.5](https://gitlab.com/to-be-continuous/openshift/compare/2.2.4...2.2.5) (2023-03-20)

### Bug Fixes

* rename output dotenv to prevent collision with input dotenv file ([4c634440](https://gitlab.com/to-be-continuous/openshift/commit/4c634440f155e588ad0d1ca6ad9deab99a9fd793))

## [2.2.4](https://gitlab.com/to-be-continuous/openshift/compare/2.2.3...2.2.4) (2023-02-13)

### Bug Fixes

* **readiness:** call after url is determined; example uses $environment_url ([e666a49d](https://gitlab.com/to-be-continuous/openshift/commit/e666a49d9d5c81774ca3d66d61d25d26990dfcf7))

## [2.2.3](https://gitlab.com/to-be-continuous/openshift/compare/2.2.2...2.2.3) (2023-01-27)

### Bug Fixes

* "Add registry name in all Docker images" ([23edeeb7](https://gitlab.com/to-be-continuous/openshift/commit/23edeeb7a8eb2bda160bf79fb9518ecc14f5f107))

## [2.2.2](https://gitlab.com/to-be-continuous/openshift/compare/2.2.1...2.2.2) (2022-12-17)

### Bug Fixes

* hanging awk script ([83645334](https://gitlab.com/to-be-continuous/openshift/commit/836453344ff644a9dda2bc40818599925dc40dd9))

## [2.2.1](https://gitlab.com/to-be-continuous/openshift/compare/2.2.0...2.2.1) (2022-12-16)

### Bug Fixes

* add missing awkenvsubst function ([c46527d1](https://gitlab.com/to-be-continuous/openshift/commit/c46527d1f287fe77534d7037b197d2c1633ae6a8))

# [2.2.0](https://gitlab.com/to-be-continuous/openshift/compare/2.1.0...2.2.0) (2022-12-15)

### Features

* support dynamic env url ([0a00eff9](https://gitlab.com/to-be-continuous/openshift/commit/0a00eff96bafe0c4b44c62c49003d0b63c2db855))

Deprecated $appname and $env dynamic variables with $environment_name & $environment_type
With backward compatibility (legacy vars still usable)

# [2.1.0](https://gitlab.com/to-be-continuous/openshift/compare/2.0.0...2.1.0) (2022-12-13)

### Features

* **vault:** configurable Vault Secrets Provider image ([ba0cfa09](https://gitlab.com/to-be-continuous/openshift/commit/ba0cfa098242b72012fdf75940d7feb968cbb4b5))

# [2.0.0](https://gitlab.com/to-be-continuous/openshift/compare/1.4.0...2.0.0) (2022-08-05)

### Features

* make MR pipeline the default workflow ([67b079fc](https://gitlab.com/to-be-continuous/openshift/commit/67b079fc9c05e4e3e0a40de796bc5e89a2df9699))

### BREAKING CHANGES

* change default workflow from Branch pipeline to MR pipeline

BREAKING CHANGE: change default workflow from Branch pipeline to MR pipeline

# [1.4.0](https://gitlab.com/to-be-continuous/openshift/compare/1.3.0...1.4.0) (2022-06-30)

### Features

* enforce AUTODEPLOY_TO_PROD and PUBLISH_ON_PROD as boolean variables ([2769f231](https://gitlab.com/to-be-continuous/openshift/commit/2769f231c2095bb551a9cb57e048e36d77f55d21))

# [1.3.0](https://gitlab.com/to-be-continuous/openshift/compare/1.2.7...1.3.0) (2022-05-01)

### Features

* configurable tracking image ([841323cc](https://gitlab.com/to-be-continuous/openshift/commit/841323ccf2e9f1f1f930b32ca051808d8b980b21))