Use codecov for tests coverage info

Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>

.github/workflows/cover.yml

@@ -1,6 +1,6 @@
 name: Coverage
 on:
-  pull_request_target:
+  pull_request:
 
 jobs:
   coverage:
@@ -37,34 +37,21 @@ jobs:
           grcov . \
             --source-dir . \
             --binary-path ./target/debug/ \
-            --branch --ignore-not-existing \
-            --output-types html,markdown \
+            --branch \
+            --ignore-not-existing \
+            --output-types markdown,lcov \
             --keep-only 'crates/*' \
             --output-path ./target/coverage/
 
-      - uses: actions/upload-artifact@v4
+      - name: Upload coverage data
+        uses: codecov/codecov-action@v3
         with:
-          name: coverage
-          path: target/coverage/html/
-          if-no-files-found: error
+          token: ${{ secrets.CODECOV_TOKEN }}
+          flags: unittests
+          files: ./target/coverage/lcov
+          verbose: true
 
       - name: Publish job summary
         run: |
           echo "# Coverage" >> $GITHUB_STEP_SUMMARY
           cat target/coverage/markdown.md >> $GITHUB_STEP_SUMMARY
-
-      - run: echo "coverage=$(cat target/coverage/markdown.md | grep 'Total coverage')" >> $GITHUB_OUTPUT
-        id: coverage
-
-      - name: Create commit status
-        uses: actions/github-script@v7
-        if: success()
-        with:
-          script: |
-            github.rest.repos.createCommitStatus({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              sha: context.sha,
-              state: 'success',
-              description: '${{ steps.coverage.outputs.coverage }}',
-            })