Update google-github-actions/auth digest to fc21748

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -129,7 +129,7 @@ jobs:
 
       - name: Authenticate to Google Cloud
         id: auth
-        uses: google-github-actions/auth@7c6bc770dae815cd3e89ee6cdf493a5fab2cc093 # v3.0.0
+        uses: google-github-actions/auth@fc2174804b84f912b1f6d334e9463f484f1c552d # v3.0.0
         with:
           token_format: access_token
           workload_identity_provider: ${{ secrets.GCR_WORKLOAD_IDENTITY }}
@@ -360,7 +360,7 @@ jobs:
 
       - name: Authenticate to Google Cloud
         id: auth
-        uses: google-github-actions/auth@7c6bc770dae815cd3e89ee6cdf493a5fab2cc093 # v3.0.0
+        uses: google-github-actions/auth@fc2174804b84f912b1f6d334e9463f484f1c552d # v3.0.0
         with:
           token_format: access_token
           workload_identity_provider: ${{ secrets.GCR_WORKLOAD_IDENTITY }}
@@ -430,7 +430,7 @@ jobs:
 
       - name: Authenticate to Google Cloud
         id: auth
-        uses: google-github-actions/auth@7c6bc770dae815cd3e89ee6cdf493a5fab2cc093 # v3.0.0
+        uses: google-github-actions/auth@fc2174804b84f912b1f6d334e9463f484f1c552d # v3.0.0
         with:
           token_format: access_token
           workload_identity_provider: ${{ secrets.GCR_WORKLOAD_IDENTITY }}
@@ -570,7 +570,7 @@ jobs:
 
       - name: Authenticate to Google Cloud
         id: auth
-        uses: google-github-actions/auth@7c6bc770dae815cd3e89ee6cdf493a5fab2cc093 # v3.0.0
+        uses: google-github-actions/auth@fc2174804b84f912b1f6d334e9463f484f1c552d # v3.0.0
         with:
           token_format: access_token
           workload_identity_provider: ${{ secrets.GCR_WORKLOAD_IDENTITY }}

.github/workflows/regression.yml

@@ -141,7 +141,7 @@ jobs:
 
       - name: Authenticate to Google Cloud
         id: auth
-        uses: google-github-actions/auth@7c6bc770dae815cd3e89ee6cdf493a5fab2cc093 # v3.0.0
+        uses: google-github-actions/auth@fc2174804b84f912b1f6d334e9463f484f1c552d # v3.0.0
         with:
           token_format: access_token
           workload_identity_provider: ${{ secrets.GCR_WORKLOAD_IDENTITY }}
@@ -249,7 +249,7 @@ jobs:
 
       - name: Authenticate to Google Cloud
         id: auth
-        uses: google-github-actions/auth@7c6bc770dae815cd3e89ee6cdf493a5fab2cc093 # v3.0.0
+        uses: google-github-actions/auth@fc2174804b84f912b1f6d334e9463f484f1c552d # v3.0.0
         with:
           token_format: access_token
           workload_identity_provider: ${{ secrets.GCR_WORKLOAD_IDENTITY }}