Bump codecov/codecov-action from 5.3.1 to 5.4.0 (#3709)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.3.1 to 5.4.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@13ce06b...0565863)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/admin.yml

@@ -71,7 +71,7 @@ jobs:
         run: make test-cover
 
       - name: Upload coverage results
-        uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3 # v5.3.1
+        uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574 # v5.4.0
         with:
           file: cover.out
           flags: admin

.github/workflows/agent.yml

@@ -113,7 +113,7 @@ jobs:
         run: make test-cover
 
       - name: Upload coverage results
-        uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3 # v5.3.1
+        uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574 # v5.4.0
         with:
           files: cover.out
           flags: agent

.github/workflows/managed.yml

@@ -83,7 +83,7 @@ jobs:
         run: docker exec -i pmm-server make -C managed test-cover
 
       - name: Upload coverage results
-        uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3 # v5.3.1
+        uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574 # v5.4.0
         with:
           files: managed/cover.out
           flags: managed

.github/workflows/vmproxy.yml

@@ -73,7 +73,7 @@ jobs:
         run: make test-cover
 
       - name: Upload coverage results
-        uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3 # v5.3.1
+        uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574 # v5.4.0
         with:
           file: cover.out
           flags: vmproxy