chore(release): 1.4.0 [skip ci]

# [1.4.0](https://gitlab.com/to-be-continuous/gcloud/compare/1.3.0...1.4.0) (2021-09-03)

### Features

* Change boolean variable behaviour ([469f03f5](https://gitlab.com/to-be-continuous/gcloud/commit/469f03f5596b0072a322e04bd5d9fa412ce57d75))

README.md

@@ -49,7 +49,7 @@ In order to include this template in your project, add the following to your `gi
 ```yaml
 include:
   - project: 'to-be-continuous/gcloud'
-    ref: '1.3.0'
+    ref: '1.4.0'
     file: '/templates/gitlab-ci-gcloud.yml'
 ```
 
@@ -223,7 +223,7 @@ Let's imagine a backend service:
 include:
   # Include Google Cloud template
   - project: 'to-be-continuous/gcloud'
-    ref: '1.3.0'
+    ref: '1.4.0'
     file: '/templates/gitlab-ci-gcloud.yml'
   ...
 

templates/gitlab-ci-gcloud.yml

@@ -306,7 +306,7 @@ stages:
     fi
   }
 
-  if [[ "$TEMPLATE_CHECK_UPDATE_DISABLED" != "true" ]]; then check_for_update gcloud "1.3.0"; fi
+  if [[ "$TEMPLATE_CHECK_UPDATE_DISABLED" != "true" ]]; then check_for_update gcloud "1.4.0"; fi
 
   # export tool functions (might be used in after_script)
   export -f log_info log_warn log_error assert_defined awkenvsubst
@@ -322,7 +322,7 @@ stages:
   image: $GCP_CLI_IMAGE
   services:
     - name: "$CI_REGISTRY/to-be-continuous/tools/tracking:master"
-      command: ["--service", "gcloud", "1.3.0" ]
+      command: ["--service", "gcloud", "1.4.0" ]
   before_script:
     - *gcp-scripts
     - install_ca_certs "${CUSTOM_CA_CERTS:-$DEFAULT_CA_CERTS}"