Bump codecov/codecov-action from v1.2.0 to v1.2.1 (#206)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from v1.2.0 to v1.2.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/master/CHANGELOG.md)
- [Commits](codecov/codecov-action@v1.2.0...e156083)

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
         run: |
           dotnet test dropbox-sdk-dotnet/Dropbox.Api.Unit.Tests --collect:"XPlat Code Coverage" -- 'DataCollectionRunSettings.DataCollectors.DataCollector.Configuration.ExcludeByFile=**/Generated/**/*.cs'
       - name: Publish Coverage
-        uses: codecov/codecov-action@v1.2.0
+        uses: codecov/codecov-action@v1.2.1
         if: matrix.os == 'ubuntu-latest'
         with:
           flags: unit
@@ -53,7 +53,7 @@ jobs:
         run: |
           dotnet test dropbox-sdk-dotnet/Dropbox.Api.Integration.Tests --collect:"XPlat Code Coverage" -- 'DataCollectionRunSettings.DataCollectors.DataCollector.Configuration.ExcludeByFile=**/Generated/**/*.cs'
       - name: Publish Coverage
-        uses: codecov/codecov-action@v1.2.0
+        uses: codecov/codecov-action@v1.2.1
         if: matrix.os == 'ubuntu-latest'
         with:
           flags: integration