deps: update codecov/codecov-action action to v4 (#614)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [codecov/codecov-action](https://togithub.com/codecov/codecov-action)
| action | major | `v3` -> `v4` |

---

### Release Notes

<details>
<summary>codecov/codecov-action (codecov/codecov-action)</summary>

### [`v4`](https://togithub.com/codecov/codecov-action/compare/v3...v4)

[Compare
Source](https://togithub.com/codecov/codecov-action/compare/v3...v4)

</details>

---

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---

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.github/workflows/ci.yml

@@ -18,7 +18,9 @@ jobs:
 
       - run: go test -v -race -coverprofile=coverage.txt ./...
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
 
   lint:
     name: Lint

.github/workflows/test_e2e.yml

@@ -64,7 +64,9 @@ jobs:
           go test ./tests/e2e -tags e2e -v -race -timeout 60m -coverprofile=coverage.txt
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
 
       - name: Download logs & events
         if: always()