Bump codecov/codecov-action from 3.1.5 to 3.1.6 (#726)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -39,7 +39,7 @@ jobs:
               run: bundle exec slather coverage -x --scheme ${{ env.scheme }} ${{ env.xcodeproj }}
 
             - name: Upload coverage report
-              uses: codecov/codecov-action@4fe8c5f003fae66aa5ebb77cfd3e7bfbbda0b6b0
+              uses: codecov/codecov-action@ab904c41d6ece82784817410c45d8b8c02684457
 
             - name: Cancel wokflow on failure
               uses: andymckay/cancel-action@b9280e3f8986d7a8e91c7462efc0fa318010c8b1