ci: check:scatch job should always be manual, and fixed syntax error

.gitlab-ci.yml

@@ -46,20 +46,15 @@ stages:
 
 check:scratch:
   stage: check
-  needs: [ ]
+  needs: []
   script:
-    nix-shell --arg ci true --run $'
-    npm test -- --ci tests/scratch.test.ts;
-    '
+    - >
+      nix-shell --arg ci true --run $'
+      npm test -- --ci tests/scratch.test.ts;
+      '
   allow_failure: true
   rules:
-    # Runs on feature and staging commits and ignores version commits
-    - if: $CI_COMMIT_BRANCH =~ /^(?:feature.*|staging)$/ && $CI_COMMIT_TITLE !~ /^[0-9]+\.[0-9]+\.[0-9]+(?:-.*[0-9]+)?$/
-    # Runs on tag pipeline where the tag is a prerelease or release version
-    - if: $CI_COMMIT_TAG =~ /^v[0-9]+\.[0-9]+\.[0-9]+(?:-.*[0-9]+)?$/
-    # Manually run on commits other than master and ignore version commits
-    - if: $CI_COMMIT_BRANCH && $CI_COMMIT_BRANCH != 'master' && $CI_COMMIT_TITLE !~ /^[0-9]+\.[0-9]+\.[0-9]+(?:-.*[0-9]+)?$/
-      when: manual
+    - when: manual
 
 check:lint:
   stage: check