ci(workflows): migrate setup bootstrap to pnpm/setup@v1

.github/workflows/changesets.yml

@@ -55,18 +55,12 @@ jobs:
         run: |
           git config --global user.name '${{ steps.app-token.outputs.app-slug }}[bot]'
           git config --global user.email '${{ steps.get-user-id.outputs.user-id }}+${{ steps.app-token.outputs.app-slug }}[bot]@users.noreply.github.com'
-      - uses: pnpm/action-setup@v6
-      - uses: actions/setup-node@v6
+      - uses: pnpm/setup@v1
         with:
-          cache: pnpm
-          # Pinned to 22, not lts/* (now 24): changesets' changelog generator
-          # (@changesets/changelog-github -> @changesets/get-github-info ->
-          # node-fetch@2) throws ERR_STREAM_PREMATURE_CLOSE decompressing
-          # GitHub's gzip'd GraphQL response on Node 24, failing `changeset
-          # version`. node-fetch@2 is reliable on Node 22. Revert to lts/*
-          # once changesets drops node-fetch@2.
-          node-version: 22
-        # temporary until setup-node action comes with npm version that contains oidc setup by default
+          install: false
+          cache: true
+          runtime: node@lts
+      # temporary until the runtime ships an npm version with OIDC setup by default
       - name: Update npm to use trusted publishing (OIDC)
         run: npm install -g npm@latest
       - run: pnpm install

.github/workflows/format.yml

@@ -21,12 +21,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: pnpm/action-setup@v6
-      - uses: actions/setup-node@v6
+      - uses: pnpm/setup@v1
         with:
-          cache: pnpm
-          node-version: lts/*
-      - run: pnpm install
+          cache: true
+          runtime: node@lts
       - run: pnpm format
       - run: git restore .github/workflows pnpm-lock.yaml
       - uses: actions/create-github-app-token@v3