Fixed.

.github/workflows/load-test.yml

@@ -65,15 +65,31 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20
+      - uses: pnpm/action-setup@v3
+        name: Install pnpm
+        with:
+          version: 8
+          run_install: false
+      - name: Get pnpm store directory
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+      - uses: actions/cache@v3
+        name: Setup pnpm cache
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
       -
         name: Install etherpad-load-test
-        run: sudo npm install -g etherpad-load-test
+        run: sudo pnpm install -g etherpad-load-test
       -
         name: Install etherpad plugins
         # The --legacy-peer-deps flag is required to work around a bug in npm v7:
         # https://github.com/npm/cli/issues/2199
         run: >
-          pnpm install --no-save
+          pnpm install
           ep_align
           ep_author_hover
           ep_cursortrace
@@ -118,6 +134,22 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20
+      - uses: pnpm/action-setup@v3
+        name: Install pnpm
+        with:
+          version: 8
+          run_install: false
+      - name: Get pnpm store directory
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+      - uses: actions/cache@v3
+        name: Setup pnpm cache
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
       -
         name: Install all dependencies and symlink for ep_etherpad-lite
         run: src/bin/installDeps.sh