chore(deps): update codecov/codecov-action action to v6

Author: renovate[bot]

.github/workflows/ci.yml

@@ -91,7 +91,7 @@ jobs:
           DATABASE_URL: postgres://eventually:password@localhost:5432/eventually?sslmode=disable
 
       - name: Upload to codecov.io
-        uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7 # v5
+        uses: codecov/codecov-action@e79a6962e0d4c0c17b229090214935d2e33f8354 # v6
         with:
           files: lcov.info