chore(deps): bump crazy-max/ghaction-import-gpg from 4 to 5

Bumps [crazy-max/ghaction-import-gpg](https://github.com/crazy-max/ghaction-import-gpg) from 4 to 5.
- [Release notes](https://github.com/crazy-max/ghaction-import-gpg/releases)
- [Changelog](https://github.com/crazy-max/ghaction-import-gpg/blob/master/CHANGELOG.md)
- [Commits](https://github.com/crazy-max/ghaction-import-gpg/compare/v4...v5)

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

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

.github/workflows/snjs.upgrade.event.yml

@@ -24,7 +24,7 @@ jobs:
           git config --global user.name "standardci"
           git config --global user.email "ci@standardnotes.com"
       - name: Import GPG key
-        uses: crazy-max/ghaction-import-gpg@v4
+        uses: crazy-max/ghaction-import-gpg@v5
         with:
           gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
           passphrase: ${{ secrets.PASSPHRASE }}