Updated dependencies (#255)

* Bump android compile and target version, also flutter dependencies and resolve issues

* Remove deprecated splashscreen and added support for new Android 12 version.

* Updated workflow action versions and flutter sdk

* Resolved linting issues

* Resolved test binding issues

.github/workflows/android.yaml

@@ -14,21 +14,22 @@ jobs:
   
     steps:
     - name: Checkout code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         submodules: recursive
     - name: Setup Java
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v3
       with:
-        java-version: '12.x'
+        distribution: 'temurin'
+        java-version: '11'
     - name: Setup Flutter
-      uses: subosito/flutter-action@v1
+      uses: subosito/flutter-action@v2
       with:
-        flutter-version: '2.10.3'
+        flutter-version: '3.7.3'
     - name: Setup Gradle
       uses: gradle/gradle-build-action@v2
       with:
-        gradle-version: 6.1.1
+        gradle-version: 7.6
     - name: Collect Translation Files
       run: |
         cd lib/l10n