add GPG signing for nsmbot

Signed-off-by: NikitaSkrynnik <[email protected]>

.github/workflows/update-refs.yaml

@@ -16,18 +16,16 @@ jobs:
         uses: crazy-max/ghaction-import-gpg@v6
         with:
           gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
-          passphrase: "nikita"
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
           git_user_signingkey: true
           git_commit_gpgsign: true
 
       - name: Update references
         run: |
           sed -r -i '/github.com\/networkservicemesh\/deployments-k8s/ s/(\?ref=[a-z0-9.]*)/\?ref='"$GITHUB_SHA"'/g' `grep '?ref=' -rl *`
-          sed -r -i '/raw.githubusercontent.com\/networkservicemesh\/deployments-k8s/ s/(deployments-k8s\/[a-z0-9.]*)/deployments-k8s\/'"$GITHUB_SHA"'/g' `grep 'raw.githubusercontent.com' -rl *`
-        
-          git config --global user.email "[email protected]"
-          git config --global user.name "Nikita"
-
+          sed -r -i '/raw.githubusercontent.com\/networkservicemesh\/deployments-k8s/ s/(deployments-k8s\/[a-z0-9.]*)/deployments-k8s\/'"$GITHUB_SHA"'/g' `grep 'raw.githubusercontent.com' -rl *`  
+          git config --global user.email "[email protected]"
+          git config --global user.name "NSMBot"
           git add -- .
           git commit -m "Update references"
           git push