yarn -> pnpm

Author: RobbieTheWagner

.github/workflows/ci.yml

@@ -22,31 +22,14 @@ jobs:
       - name: Install Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18
-          cache: yarn
-      - name: Install Dependencies
-        run: yarn install --frozen-lockfile
-      - name: Lint
-        run: yarn lint
-      - name: Run Tests
-        run: yarn test:ember
-
-  floating:
-    name: "Floating Dependencies"
-    runs-on: ubuntu-latest
-    timeout-minutes: 10
-
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+          node-version: 18.x
+      - uses: pnpm/action-setup@v2
         with:
-          node-version: 18
-          cache: yarn
+          version: 8
       - name: Install Dependencies
-        run: yarn install --no-lockfile
+        run: pnpm install --frozen-lockfile
       - name: Run Tests
-        run: yarn test:ember
-
+        run: pnpm test
   try-scenarios:
     name: ${{ matrix.try-scenario }}
     runs-on: ubuntu-latest
@@ -59,6 +42,7 @@ jobs:
         try-scenario:
           - ember-lts-4.8
           - ember-lts-4.12
+          - ember-lts-5.4
           - ember-release
           - ember-beta
           - ember-canary
@@ -70,9 +54,12 @@ jobs:
       - name: Install Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18
-          cache: yarn
+          node-version: 18.x
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 8
       - 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 }}
+        working-directory: test-app
+        run: pnpm ember try:one ${{ matrix.try-scenario }}

tests/dummy/config/ember-cli-update.json

@@ -11,7 +11,7 @@
           "codemodsSource": "ember-addon-codemods-manifest@1",
           "isBaseBlueprint": true,
           "options": [
-            "--yarn",
+            "--pnpm",
             "--no-welcome"
           ]
         }

tests/dummy/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-4.8',
@@ -23,6 +23,14 @@ module.exports = async function () {
           },
         },
       },
+      {
+        name: 'ember-lts-5.4',
+        npm: {
+          devDependencies: {
+            'ember-source': '~5.4.0',
+          },
+        },
+      },
       {
         name: 'ember-release',
         npm: {