migrate to pnpm

.github/workflows/ci.yml

@@ -19,32 +19,38 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
       - name: Install Node
         uses: actions/setup-node@v5
         with:
           node-version: 20.x
-          cache: yarn
+          cache: pnpm
       - name: Install Dependencies
-        run: yarn install --frozen-lockfile
+        run: pnpm install --frozen-lockfile
       - name: Lint
-        run: yarn lint
+        run: pnpm lint
       - name: Run Tests
-        run: yarn test:ember
+        run: pnpm test:ember
 
   floating:
     name: "Floating Dependencies"
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v3
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
       - uses: actions/setup-node@v5
         with:
           node-version: 20.x
-          cache: yarn
+          cache: pnpm
       - name: Install Dependencies
-        run: yarn install --no-lockfile
+        run: pnpm install --no-lockfile
       - name: Run Tests
-        run: yarn test:ember
+        run: pnpm test:ember
 
   try-scenarios:
     name: ${{ matrix.try-scenario }}
@@ -66,12 +72,15 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
       - name: Install Node
         uses: actions/setup-node@v5
         with:
           node-version: 20.x
-          cache: yarn
+          cache: pnpm
       - name: Install Dependencies
-        run: yarn install --frozen-lockfile
+        run: pnpm install --frozen-lockfile
       - name: Run Tests
         run: ./node_modules/.bin/ember try:one ${{ matrix.try-scenario }}

CONTRIBUTING.md

@@ -4,12 +4,12 @@
 
 * `git clone <repository-url>`
 * `cd my-addon`
-* `npm install`
+* `pnpm install`
 
 ## Linting
 
-* `yarn lint`
-* `yarn lint:fix`
+* `pnpm lint`
+* `pnpm lint:fix`
 
 ## Running tests
 

config/ember-try.js

@@ -5,7 +5,7 @@ const { embroiderSafe, embroiderOptimized } = require('@embroider/test-setup');
 
 module.exports = async function () {
   return {
-    useYarn: true,
+    usePnpm: true,
     scenarios: [
       {
         name: 'ember-lts-3.24',