chore(ci): update workflow 'Release' to use Node 18

Author: kimyvgy

.github/workflows/release-pr.yml renamed to .github/workflows/release.yml

@@ -16,10 +16,10 @@ jobs:
           # This makes Actions fetch all Git history so that Changesets can generate changelogs with the correct commits
           fetch-depth: 0
 
-      - name: Setup Node.js 16.x
+      - name: Setup Node.js 18.x
         uses: actions/setup-node@v4
         with:
-          node-version: 16.x
+          node-version: 18.x
 
       - name: Install Dependencies
         run: npm i