chore: bump azure/login from 1.6.1 to 2.1.1

Bumps [azure/login](https://github.com/azure/login) from 1.6.1 to 2.1.1.
- [Release notes](https://github.com/azure/login/releases)
- [Commits](Azure/login@v1.6.1...v2.1.1)

---
updated-dependencies:
- dependency-name: azure/login
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/aks-addon-tests.yml

@@ -54,7 +54,7 @@ jobs:
 
           echo "CLUSTER_NAME=aks-addon-vk-test${rand}" >> $GITHUB_ENV
 
-      - uses: azure/login@v1.6.1
+      - uses: azure/login@v2.1.1
         with:
           client-id: ${{ secrets.AZURE_CLIENT_ID }}
           tenant-id: ${{ secrets.AZURE_TENANT_ID }}

.github/workflows/e2e-tests.yml

@@ -56,7 +56,7 @@ jobs:
 
           echo "CLUSTER_NAME=vk-aci-test${rand}" >> $GITHUB_ENV
 
-      - uses: azure/login@v1.6.1
+      - uses: azure/login@v2.1.1
         with:
           client-id: ${{ secrets.AZURE_CLIENT_ID }}
           tenant-id: ${{ secrets.AZURE_TENANT_ID }}