revert: revert "ci(tests): run codecov on all PRs"

This reverts commit 514e578.

Author: thazhemadam

.github/workflows/tests.yml

@@ -100,7 +100,7 @@ jobs:
 
       - name: "Report Coverage with Codecov"
         uses: codecov/codecov-action@v5
-        if: "${{ inputs.coverage }}"
+        if: "${{ inputs.coverage && github.event.pull_request.head.repo.full_name == github.repository }}"
         with:
           files: lcov.info
           token: "${{ secrets.CODECOV_TOKEN }}"