chore(deps): update crazy-max/ghaction-import-gpg action to v6.3.0

Author: plural-copilot[bot]

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
           go-version-file: 'go.mod'
           cache: true
       - name: Import GPG key
-        uses: crazy-max/ghaction-import-gpg@01dd5d3ca463c7f10f7f4f7b4f177225ac661ee4 # v6.1.0
+        uses: crazy-max/ghaction-import-gpg@e89d40939c28e39f97cf32126055eeae86ba74ec # v6.3.0
         id: import_gpg
         with:
           gpg_private_key: ${{ secrets.PLURAL_GPG_PRIVATE_KEY }}