build(deps): bump crazy-max/ghaction-import-gpg from 5 to 6

Bumps [crazy-max/ghaction-import-gpg](https://github.com/crazy-max/ghaction-import-gpg) from 5 to 6.
- [Release notes](https://github.com/crazy-max/ghaction-import-gpg/releases)
- [Commits](crazy-max/ghaction-import-gpg@v5...v6)

---
updated-dependencies:
- dependency-name: crazy-max/ghaction-import-gpg
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

action.yml

@@ -131,7 +131,7 @@ runs:
  secrets: zon/v1/github/zon-ops gpg_key_private
 
  - name: Import GPG key for zon-ops user
- uses: crazy-max/ghaction-import-gpg@v5
+ uses: crazy-max/ghaction-import-gpg@v6
  continue-on-error: true
  with:
  gpg_private_key: ${{ steps.zon-ops-gpg.outputs.gpg_key_private }}