Nicer parentheses in github workflow file.

Author: tcornerstone

.github/workflows/maven-pr.yml

@@ -30,7 +30,7 @@ jobs:
       with:
         maven-version: 3.9.6
     - name: Build with Maven
-      run: "mvn -B package --file pom.xml -DunofficialSuffix=\\'-PR${{ PR_NUMBER }}\\'"
+      run: "mvn -B package --file pom.xml -DunofficialSuffix=\"'-PR${{ PR_NUMBER }}'\""
       env:
         PR_NUMBER: ${{ github.event.number }}
     - name: Archive Build Artifacts