Issue #3386680 by longwave, fjgarlin: Run jobs on GitLab CI branch tests

.gitlab-ci.yml

@@ -43,7 +43,7 @@ variables:
   _TARGET_PHP: "8.2"
   COMPOSER: composer.json
   # Let composer know what self.version means.
-  COMPOSER_ROOT_VERSION: "${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}-dev"
+  COMPOSER_ROOT_VERSION: "${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}${CI_COMMIT_BRANCH}-dev"
   CONCURRENCY: 32
 
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.gitlab-ci/pipeline.yml

@@ -262,7 +262,7 @@ stages:
   stage: 🪄 Lint
   script:
     - git fetch origin
-    - export MODIFIED=`git diff --name-only origin/${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}|while read r;do echo "$CI_PROJECT_DIR/$r";done|tr "\n" " "`
+    - export MODIFIED=`git diff --name-only origin/${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}${CI_COMMIT_BRANCH}|while read r;do echo "$CI_PROJECT_DIR/$r";done|tr "\n" " "`
     - echo $MODIFIED | tr ' ' '\n' | yarn --cwd=./core run -s spellcheck:core --no-must-find-files --file-list stdin
 
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