Improved CI workflow

* Used latest @v2 action for setting up java for the CI instead of @v1.
* Used single command of gradle instead of multiple commands of gradle for `Compile and prepare package` task, because gradle will automatically execute all tasks one by one.

.github/workflows/ci.yml

@@ -16,8 +16,9 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Set up JDK 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: adopt
           java-version: 11
 
       - name: Install dependencies

.github/workflows/publish.yml

@@ -22,10 +22,7 @@ jobs:
         run: bash ./install_deps.sh
 
       - name: Compile and prepare package
-        run: |
-          ./gradlew buildHeaders build
-          ./gradlew assemble
-          ./gradlew androidSourcesJar
+        run: ./gradlew buildHeaders build assemble androidSourcesJar
 
       - name: Publish
         run: ./gradlew publishReleasePublicationToSonatypeRepository --max-workers 1 closeAndReleaseSonatypeStagingRepository