fix: publish docs ci (#358)

missed whilst migrating from `yarn` to `pnpm`

https://github.com/mnahkies/openapi-code-generator/actions/runs/16539926163/job/46779681593

Author: mnahkies

.github/workflows/publish-docs.yml

@@ -18,36 +18,31 @@ jobs:
         with:
           fetch-depth: 0
 
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           registry-url: "https://registry.npmjs.org"
           node-version: ${{ matrix.node-version }}
-
-      - uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
-        id: yarn-cache
-        with:
-          path: .yarn
-          key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          cache: 'pnpm'
 
       - uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
         id: nextjs-cache
         with:
           path: packages/documentation/.next/cache
-          key: ${{ runner.os }}-nextjs-${{ hashFiles('yarn.lock') }}-${{ hashFiles('**/*.js', '**/*.jsx', '**/*.ts', '**/*.tsx') }}
+          key: ${{ runner.os }}-nextjs-${{ hashFiles('pnpm-lock.yaml') }}-${{ hashFiles('**/*.js', '**/*.jsx', '**/*.ts', '**/*.tsx') }}
           restore-keys: |
-            ${{ runner.os }}-nextjs-${{ hashFiles('yarn.lock') }}-
-
-      - run: corepack enable
+            ${{ runner.os }}-nextjs-${{ hashFiles('pnpm-lock.yaml') }}-
 
       - run: pnpm install --frozen-lockfile
-      - run: yarn ci-build
+      - run: pnpm ci-build
       - name: Publish documentation
         if: github.ref == 'refs/heads/main'
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
           git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
-          yarn lerna run publish:gh-pages --scope '@nahkies/openapi-code-generator-documentation'
+          pnpm --filter @nahkies/openapi-code-generator-documentation run publish:gh-pages