Update actions/checkout action to v3

Author: renovate[bot]

.github/workflows/android-build.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up JDK 11
       uses: actions/setup-java@v2
       with:
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up JDK 11
         uses: actions/setup-java@v2
         with:

.github/workflows/android-test.yaml

@@ -4,7 +4,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: set up JDK 11
       uses: actions/setup-java@v2
       with: