ci: bump codecov/codecov-action from 4.6.0 to 5.0.0 (#407)

Author: dependabot[bot]

.github/workflows/code_coverage.yml

@@ -25,7 +25,7 @@ jobs:
           cargo +nightly tarpaulin --verbose --all-features --workspace --timeout 120 --out xml
 
       - name: Upload to codecov.io
-        uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238
+        uses: codecov/codecov-action@968872560f81e7bdde9272853e65f2507c0eca7c
         with:
           fail_ci_if_error: true
         env: