chore: change to node LTS version (#33)

Author: twishabansal

.github/workflows/lint-toolbox-core.yaml

@@ -64,7 +64,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
-          node-version: 20
+          node-version: 22.16.0
       - name: Install package
         run: npm ci
       - name: Run linter

packages/toolbox-core/integration.cloudbuild.yaml

@@ -41,5 +41,5 @@ steps:
 options:
   logging: CLOUD_LOGGING_ONLY
 substitutions:
-  _VERSION: '20.0.0'
+  _VERSION: '22.16.0'
   _TOOLBOX_VERSION: '0.5.0'