Bump golangci/golangci-lint-action from 5 to 6 (#14)

* Bump golangci/golangci-lint-action from 5 to 6

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 5 to 6.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@v5...v6)

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

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

* Remove inactive ifshort linter

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Peter Evans <18365890+peter-evans@users.noreply.github.com>

.github/workflows/lint.yml

@@ -23,7 +23,7 @@ jobs:
           go-version: 1.17
 
       - name: lint
-        uses: golangci/golangci-lint-action@v5
+        uses: golangci/golangci-lint-action@v6
         with:
           skip-go-installation: true
           args: --timeout=5m

.golangci.yml

@@ -1,6 +1,5 @@
 linters:
   enable:
-    - ifshort
     - gocritic
     - godot
     - gofumpt