fix: replace double with single quotes

ppkarwasz · ppkarwasz · commit e2f504355598 · 2026-04-03T12:18:08.000+02:00
Replaces `"` with `'` as suggested in the review.
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
@@ -18,7 +18,7 @@ name: Java CI
 on:
   push:
     branches:
-      - "master"
+      - 'master'
   pull_request: {}
 
 permissions:
