Use the same tooling across workflows

Author: NullVoxPopuli

.github/workflows/plan-release.yml

@@ -49,14 +49,7 @@ jobs:
         # lerna-changelog can discover what's changed since the last release
         with:
           fetch-depth: 0
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 18
-      
-      - uses: pnpm/action-setup@v2
-        with:
-          version: 8
-      - run: pnpm install --frozen-lockfile
+      - uses: wyvox/action-setup-pnpm@v3
 
       - name: "Generate Explanation and Prep Changelogs"
         id: explanation

.github/workflows/publish.yml

@@ -44,16 +44,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: wyvox/action-setup-pnpm@v3
         with:
-          node-version: 18
           # This creates an .npmrc that reads the NODE_AUTH_TOKEN environment variable
-          registry-url: 'https://registry.npmjs.org'
+          node-registry-url: 'https://registry.npmjs.org'
 
-      - uses: pnpm/action-setup@v2
-        with:
-          version: 8
-      - run: pnpm install --frozen-lockfile
       - name: npm publish
         run: pnpm release-plan publish