chore(deps): update crazy-max/ghaction-import-gpg action to v6 (#27)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/publish.yml

@@ -38,7 +38,7 @@ jobs:
           title: "Bear v${{ env.VERSION }}"
 
       - name: "Import GPG key"
-        uses: crazy-max/ghaction-import-gpg@v5.4.0
+        uses: crazy-max/ghaction-import-gpg@v6.0.0
         with:
           gpg_private_key: "${{ secrets.GPG_PRIVATE_KEY }}"