Unpin codecov uploader version (#2547)

Summary:
Pull Request resolved: #2547

This was pinned in #2533 to fix an issue with a broken codecov uploader 0.7.0, which has now been resolved in 0.7.1: codecov/codecov-cli#460

Reviewed By: esantorella

Differential Revision: D59112079

fbshipit-source-id: 7956045276cc8efdb6ff7bb5d6fdede3c786c2d5

.github/workflows/reusable_test.yml

@@ -68,4 +68,3 @@ jobs:
       with:
         fail_ci_if_error: true
         token: ${{ secrets.CODECOV_TOKEN }}
-        version: v0.6.0  # TODO: Unpin after codecov issue with 0.7.0 is resolved: https://github.com/codecov/codecov-cli/issues/460#issuecomment-2183042570