Fix pipeline docs + use wli (#138)

Author: rastut

.github/workflows/docs.yml

@@ -5,6 +5,14 @@ on:
     branches:
       - main
 
+permissions:
+  id-token: write
+  contents: read
+
+env:
+  GCP_WORKLOAD_IDENTITY_PROVIDER: "projects/224545243904/locations/global/workloadIdentityPools/gh-nuclia/providers/gh-nuclia-provider"
+  GCP_SERVICE_ACCOUNT: "github-actions@nuclia-internal.iam.gserviceaccount.com"
+
 jobs:
   publish-doc:
     name: Publish documentation
@@ -13,12 +21,16 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - uses: google-github-actions/auth@v2
+      - name: Authenticate to Google Cloud
+        id: gcp-auth-models-mount
+        uses: google-github-actions/auth@v2
         with:
-          credentials_json: '${{ secrets.GCP_CREDENTIALS }}'
+          workload_identity_provider: "${{ env.GCP_WORKLOAD_IDENTITY_PROVIDER }}"
+          service_account: "${{ env.GCP_SERVICE_ACCOUNT }}"
+          token_format: access_token
 
       - name: 'Set up Cloud SDK'
-        uses: 'google-github-actions/setup-gcloud@v0'
+        uses: 'google-github-actions/setup-gcloud@v2'
 
       - name: Push SDK docs to GCS
         run: gsutil rsync -r ./docs gs://${{ secrets.DOCS_STORAGE }}/python-sdk