bump codecov/codecov-action from 5.5.3 to 6.0.0

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.5.3 to 6.0.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@1af5884...57e3a13)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci-tests.yml

@@ -66,7 +66,7 @@ jobs:
             steps.jest.outcome == 'failure'
           ) &&
           startsWith(github.repository, 'LizardByte/')
-        uses: codecov/codecov-action@1af58845a975a7985b0beb0cbe6fbbb71a41dbad  # v5.5.3
+        uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2  # v6.0.0
         with:
           fail_ci_if_error: true
           files: ./coverage/python-coverage.xml,./coverage/coverage-final.json
@@ -86,7 +86,7 @@ jobs:
             steps.jest.outcome == 'failure'
           ) &&
           startsWith(github.repository, 'LizardByte/')
-        uses: codecov/codecov-action@1af58845a975a7985b0beb0cbe6fbbb71a41dbad  # v5.5.3
+        uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2  # v6.0.0
         with:
           fail_ci_if_error: true
           files: ./junit-python.xml,./junit.xml