Remove maintenance build

.github/dependabot.yml

@@ -22,28 +22,3 @@ updates:
   open-pull-requests-limit: 1
   labels:
     - run-ci
-- package-ecosystem: gomod
-  directory: /acceptance-tests
-  target-branch: "maintenance"
-  schedule:
-    # Check for updates every weekday
-    interval: "daily"
-    time: "06:00"
-    timezone: "Europe/Berlin"
-  # Allow only 1 open pull requests for gomod to prevent parallel concourse runs
-  open-pull-requests-limit: 1
-  labels:
-    - run-ci
-- package-ecosystem: pip
-  directory: /ci/scripts
-  target-branch: "maintenance"
-  schedule:
-    # Check for updates every weekday
-    interval: "daily"
-    time: "12:00"
-    timezone: "Europe/Berlin"
-  # Allow only 1 open pull requests for pip to prevent parallel concourse runs
-  open-pull-requests-limit: 1
-  labels:
-    - run-ci
-

ci/README.md

@@ -120,6 +120,15 @@ Note that you can use the `dir` parameter in `run` to define the working directo
 
 Don't forget to remove separate pipelines that were created for testing.
 
+### Deprecated Maintenance Pipeline
+
+The maintenance pipeline was removed in [this PR](https://github.com/cloudfoundry/haproxy-boshrelease/pull/646)
+
+To re-establish it in the future, we need to revert these commits:
+- 94e3b88131ffcc2d5fc8cc54dde669cf137e68c7 (remove dependabot config)
+- f457e98848d98050e5541c1bc1993ceefa76ab58 (remove maintenance pipeline)
+
+
 ### Versioning Guide
 
 For creating a new release please follow the versioning guide based on the [Semantic Versioning Specification](https://semver.org/).