Pin azure/login action to a457da9

Author: renovate[bot]

.github/workflows/release.yml

@@ -85,7 +85,7 @@ jobs:
 
 # Login to Azure using a ServicePrincipal configured to authenticate agaist a GitHub Action
     - name: 🪪 Authorize signing
-      uses: azure/login@v2.3.0
+      uses: azure/login@a457da9ea143d694b1b9c7c869ebb04ebe844ef5 # v2.3.0
       with:
         client-id: ${{ vars.AZURE_CLIENT_ID }}
         tenant-id: ${{ vars.AZURE_TENANT_ID }}