Use official Codecov action

Author: JimBobSquarePants

.github/workflows/build-and-test.yml

@@ -85,14 +85,10 @@ jobs:
                   CI: True
                   XUNIT_PATH: .\tests\ImageSharp.Tests # Required for xunit
 
-            # Avoid "Please provide the repository token to upload reports via `-t :repository-token`"
-            # https://community.codecov.io/t/whitelist-github-action-servers-to-upload-without-a-token/491/10
-            # https://github.community/t5/GitHub-Actions/Make-secrets-available-to-builds-of-forks/m-p/42814/highlight/true#M5129
             - name: Update Codecov
-              uses: iansu/codecov-action-node@v1.0.0
+              uses: codecov/codecov-action@v1.0.7
               if: matrix.options.codecov == true && startsWith(github.repository, 'SixLabors')
               with:
-                  token: 0ef021c7-2679-4012-b42f-4bed33d99450
                   flags: unittests
 
     Publish: