Remove `pages` deploy task from scheduled pipelines

The newly-introduced scheduled nightly pipeline failed (see here) because the prequesites for the pages job were not part of the job graph. This MR removes the pages job from the job graph for scheduled pipelines.

.gitlab-ci.yml

@@ -13,6 +13,11 @@ stages:
   rules:
     - if: $CI_PIPELINE_SOURCE != "schedule"
 
+# Configuration for jobs meant to run on each commit to pycodegen/pystencils/master
+.every-commit-master:
+  rules:
+    - if: '$CI_PIPELINE_SOURCE != "schedule" && $CI_PROJECT_PATH == "pycodegen/pystencils" && $CI_COMMIT_BRANCH == "master"'
+
 # Base configuration for jobs meant to run at a schedule
 .scheduled:
   rules:
@@ -341,7 +346,7 @@ build-documentation:
 
 pages:
   image: i10git.cs.fau.de:5005/pycodegen/pycodegen/full
-  # extends: .every-commit
+  extends: .every-commit-master
   stage: deploy
   needs: ["tests-and-coverage", "build-documentation"]
   script:
@@ -353,5 +358,3 @@ pages:
       - public
   tags:
     - docker
-  only:
-    - master@pycodegen/pystencils