chore(deps): update actions/dependency-review-action action to v4 (GoogleCloudPlatform#590)

Co-authored-by: Matthew Robertson <mattrobertson@google.com>

Author: renovate-bot

.github/workflows/dependency-review.yml

@@ -24,4 +24,4 @@ jobs:
       - name: 'Checkout Repository'
         uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
       - name: 'Dependency Review'
-        uses: actions/dependency-review-action@c74b580d73376b7750d3d2a50bfb8adc2c937507 # v3.1.5
+        uses: actions/dependency-review-action@5bbc3ba658137598168acb2ab73b21c432dd411b # v4.2.5