Bump dominikh/staticcheck-action from 1.2.0 to 1.4.0

Bumps [dominikh/staticcheck-action](https://github.com/dominikh/staticcheck-action) from 1.2.0 to 1.4.0.
- [Release notes](https://github.com/dominikh/staticcheck-action/releases)
- [Changelog](https://github.com/dominikh/staticcheck-action/blob/master/CHANGES.md)
- [Commits](dominikh/staticcheck-action@v1.2.0...v1.4.0)

---
updated-dependencies:
- dependency-name: dominikh/staticcheck-action
  dependency-version: 1.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/push.yml

@@ -56,7 +56,7 @@ jobs:
           go-version-file: 'go.mod'
           cache: true
 
-      - uses: dominikh/staticcheck-action@v1.2.0
+      - uses: dominikh/staticcheck-action@v1.4.0
         with:
           install-go: false