Update codecov to v. 3.1.4

Author: radrys

.github/workflows/build.yaml

@@ -21,7 +21,7 @@ jobs:
         with:
           name: opa-gradle-plugin
           path: build/libs
-      - uses: codecov/codecov-action@v1.0.3
+      - uses: codecov/codecov-action@v3.1.4
         with:
           token: ${{secrets.CODECOV_TOKEN}}
           file: ./build/reports/jacoco/test/jacocoTestReport.xml