Update google-cloud-storage requirement in /lambda/backup-verification

Updates the requirements on [google-cloud-storage](https://github.com/googleapis/google-cloud-python) to permit the latest version.
- [Release notes](https://github.com/googleapis/google-cloud-python/releases)
- [Changelog](https://github.com/googleapis/google-cloud-python/blob/main/packages/google-cloud-documentai/CHANGELOG.md)
- [Commits](https://github.com/googleapis/google-cloud-python/compare/google-cloud-storage-v3.11.0...google-cloud-storage-v3.12.0)

---
updated-dependencies:
- dependency-name: google-cloud-storage
  dependency-version: 3.12.0
  dependency-type: direct:production
...

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

package-lock.json

@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "dependencies": {
         "@aws-cdk/aws-lambda-python-alpha": "2.257.0-alpha.0",
-        "aws-cdk-lib": "2.258.1",
+        "aws-cdk-lib": "2.260.0",
         "constructs": "^10.0.0"
       },
       "bin": {
@@ -17,7 +17,7 @@
       },
       "devDependencies": {
         "@types/node": "^25.9.3",
-        "aws-cdk": "^2.1122.0",
+        "aws-cdk": "^2.1128.0",
         "source-map-support": "^0.5.21",
         "typescript": "~6.0.3"
       }
@@ -94,9 +94,9 @@
       }
     },
     "node_modules/aws-cdk": {
-      "version": "2.1126.0",
-      "resolved": "https://registry.npmjs.org/aws-cdk/-/aws-cdk-2.1126.0.tgz",
-      "integrity": "sha512-uNoocb3vCPiAT3j9+SwL6pn/VVggHWBsgC2XpxyhNvYQYt6cE9BM/149GWwtdcwnLrPjnwW1+CV/5nSSh5dV+w==",
+      "version": "2.1128.0",
+      "resolved": "https://registry.npmjs.org/aws-cdk/-/aws-cdk-2.1128.0.tgz",
+      "integrity": "sha512-CXPl6Yu0gDqrS2GYDPoMCQbdJFS0tupzN8nuaTku3fewTdQJhHGK/2QpwMV/mVgsTTHB9riXT3Zt/k4trh8tCw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
@@ -107,9 +107,9 @@
       }
     },
     "node_modules/aws-cdk-lib": {
-      "version": "2.258.1",
-      "resolved": "https://registry.npmjs.org/aws-cdk-lib/-/aws-cdk-lib-2.258.1.tgz",
-      "integrity": "sha512-isYgP0GASgTY99J3753iN6SLP05wEuinToE+p+Yat0d5Xi55iOtd5HFzBBklOb77FO5R3pikY6r9qaRSZUAwWA==",
+      "version": "2.260.0",
+      "resolved": "https://registry.npmjs.org/aws-cdk-lib/-/aws-cdk-lib-2.260.0.tgz",
+      "integrity": "sha512-2PPG+hbPDot8+ibkb5Jl9y3OY5rBE6TFwjzOi+yEyU4ZG6u8bM4DDKhhBi/S20NqqSFDso9rH1txVJAdwXNiuQ==",
       "bundleDependencies": [
         "@balena/dockerignore",
         "@aws-cdk/cloud-assembly-api",

package.json

@@ -13,13 +13,13 @@
   },
   "devDependencies": {
     "@types/node": "^25.9.3",
-    "aws-cdk": "^2.1122.0",
+    "aws-cdk": "^2.1128.0",
     "source-map-support": "^0.5.21",
     "typescript": "~6.0.3"
   },
   "dependencies": {
     "@aws-cdk/aws-lambda-python-alpha": "2.257.0-alpha.0",
-    "aws-cdk-lib": "2.258.1",
+    "aws-cdk-lib": "2.260.0",
     "constructs": "^10.0.0"
   }
 }