ci: Remove uppercase requirement from PR title validation

Author: sirantd

.github/workflows/pr-title.yaml

@@ -32,10 +32,6 @@ jobs:
             build
             revert
           requireScope: false
-          subjectPattern: ^[A-Z].+$
-          subjectPatternError: |
-            The subject "{subject}" found in the pull request title "{title}"
-            didn't match the configured pattern. Please ensure that the subject
-            starts with an uppercase character.
+          subjectPattern: ^.+$
           wip: true
           validateSingleCommit: false