Changelog workflow: add signing key (#158)

add gpg signing key

Signed-off-by: Jack Luar <jluar@precisioninno.com>

Author: luarss

.github/workflows/ci-changelog.yaml

@@ -19,6 +19,14 @@ jobs:
         with:
           python-version: '3.12'
 
+      - name: Import GPG key
+        uses: crazy-max/ghaction-import-gpg@v6
+        with:
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+          git_user_signingkey: true
+          git_commit_gpgsign: true
+
       - name: Create Changelog file
         run: |
           make changelog