Bump codecov/action to v2.0.2 (#24983)

* build(deps): bump codecov/codecov-action from 1 to 2.0.1

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 1 to 2.0.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-action/compare/v1...v2.0.1)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

* Update arguments to codecov action

* Try to delete the symbolic link to root folder

Hopefully this should get rid of the ELOOP error

* Delete also for shell tests and MacOS

* Bump to v2.0.2

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

share/spack/qa/run-shell-tests

@@ -56,3 +56,9 @@ fish "$QA_DIR/setup-env-test.fish"
 # run csh and tcsh tests
 csh  "$QA_DIR/setup-env-test.csh"
 tcsh "$QA_DIR/setup-env-test.csh"
+
+# Delete the symlink going from ./lib/spack/docs/_spack_root back to
+# the initial directory, since it causes ELOOP errors with codecov/actions@2
+if [[ "$COVERAGE" == "true" ]]; then
+  rm lib/spack/docs/_spack_root
+fi

share/spack/qa/run-unit-tests

@@ -48,3 +48,10 @@ if [[ "$ONLY_PACKAGES" == "true" ]]; then
 fi
 
 $coverage_run $(which spack) unit-test -x --verbose
+
+# Delete the symlink going from ./lib/spack/docs/_spack_root back to
+# the initial directory, since it causes ELOOP errors with codecov/actions@2
+if [[ "$COVERAGE" == "true" ]]; then
+  rm lib/spack/docs/_spack_root
+fi
+