Revert "update workflow to use pnnpm"

This reverts commit fcaecaa.

Author: airatyusuff-nhs

.github/workflows/stage-2-test.yaml

@@ -47,35 +47,27 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v5
-      - name: "Setup pnpm"
-        uses: pnpm/action-setup@v4
-        with:
-          version: 10
+        uses: actions/checkout@v4
       - name: "Repo setup"
         run: |
-          pnpm install --frozen-lockfile
+          npm ci
       - name: "Generate dependencies"
         run: |
-          pnpm -r --if-present generate-dependencies
+          npm run generate-dependencies --workspaces --if-present
           git diff --exit-code
   test-unit:
     name: "Unit tests"
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v5
-      - name: "Setup pnpm"
-        uses: pnpm/action-setup@v4
-        with:
-          version: 10
+        uses: actions/checkout@v4
       - name: "Repo setup"
         run: |
-          pnpm install --frozen-lockfile
+          npm ci
       - name: "Generate dependencies"
         run: |
-          pnpm -r --if-present generate-dependencies
+          npm run generate-dependencies --workspaces --if-present
       - name: "Run unit test suite"
         run: |
           make test-unit
@@ -97,17 +89,13 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v5
-      - name: "Setup pnpm"
-        uses: pnpm/action-setup@v4
-        with:
-          version: 10
+        uses: actions/checkout@v4
       - name: "Repo setup"
         run: |
-          pnpm install --frozen-lockfile
+          npm ci
       - name: "Generate dependencies"
         run: |
-          pnpm -r --if-present generate-dependencies
+          npm run generate-dependencies --workspaces --if-present
       - name: "Run linting"
         run: |
           make test-lint
@@ -117,17 +105,13 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v5
-      - name: "Setup pnpm"
-        uses: pnpm/action-setup@v4
-        with:
-          version: 10
+        uses: actions/checkout@v4
       - name: "Repo setup"
         run: |
-          pnpm install --frozen-lockfile
+          npm ci
       - name: "Generate dependencies"
         run: |
-          pnpm -r --if-present generate-dependencies
+          npm run generate-dependencies --workspaces --if-present
       - name: "Run typecheck"
         run: |
           make test-typecheck

scripts/tests/unit.sh

@@ -18,8 +18,8 @@ cd "$(git rev-parse --show-toplevel)"
 # tasks in scripts/test.mk.
 
 # run tests
-pnpm install --frozen-lockfile
-pnpm -r test:unit
+npm ci
+npm run test:unit --workspaces
 
 # merge coverage reports
 mkdir -p .reports