Merge branch 'master' into ch10-exercises

Author: phrdang

.github/workflows/java-prettier.yml

@@ -27,4 +27,4 @@ jobs:
         branch: ${{ github.head_ref }}
         commit_message: 'Bot: Prettified Java code!'
       env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}