make workflow update prerelease_commit_hash

.github/workflows/prerelease.yml

@@ -20,6 +20,10 @@ jobs:
         distribution: 'adopt'
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
+    - name: Update prerelease_commit_hash
+      run: |
+        COMMIT_HASH="$(git log -1 --format='%H')"
+        sed -i "s/<string name=\"prerelease_commit_hash\">unknown_prerelease<\/string>/<string name=\"prerelease_commit_hash\">$COMMIT_HASH<\/string>/g" app/src/main/res/values/strings.xml
     - name: Run Gradle
       run: ./gradlew assembleDebug
     - name: Create pre-release