Update retry and codecov-action github actions (#117)

Author: tomzx

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
           coverage: xdebug
 
     - name: Install dependencies
-      uses: nick-invision/retry@v1
+      uses: nick-invision/retry@v2
       with:
           timeout_minutes: 5
           max_attempts: 5
@@ -41,7 +41,7 @@ jobs:
       run: php vendor/bin/phpunit
 
     - name: Submit code coverage
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v2
 
     - name: Evaluate semantic versioning
       run: |