Update version of action importing GPG key

Author: Aeliot-Tm

.github/workflows/release.yaml

@@ -71,7 +71,7 @@ jobs:
       # The following section is done only for releases
       - name: Import GPG key
         if: github.event_name == 'release'
-        uses: crazy-max/ghaction-import-gpg@v5
+        uses: crazy-max/ghaction-import-gpg@v6
         with:
           gpg_private_key: ${{ secrets.GPG_KEY_83F9945BC33EC39E9710206C8B4927076BA50A83 }}
           passphrase: "${{ secrets.GPG_KEY_83F9945BC33EC39E9710206C8B4927076BA50A83_PASSPHRASE }}"