Updating workflow

- Now uploading alpha jars on workflow.
- Caching depends to make it run faster

.github/workflows/maven.yml

@@ -13,8 +13,17 @@ jobs:
         uses: actions/setup-java@v1
         with:
           java-version: 17.0
- 
+      - name: Cache Maven packages
+        uses: actions/cache@v2
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
       - name: Compile
         run: mvn -B -Pclean install
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Upload AntiVPN
+        uses: actions/upload-artifact@v2
+        with:
+          name: AntiVPN
+          path: Assembly/target/Assembly-*.jar