migrate from yarn to pnpm

.github/workflows/ci.yml

@@ -18,34 +18,28 @@ jobs:
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@v4
-      - name: Install Node
-        uses: actions/setup-node@v4
+      - uses: actions/checkout@v3
+      - uses: wyvox/action-setup-pnpm@v2
         with:
-          node-version: 18.x
-          cache: yarn
-      - name: Install Dependencies
-        run: yarn install --frozen-lockfile
+          node-version: 18
       - 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
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@v3
+      - uses: wyvox/action-setup-pnpm@v2
         with:
-          node-version: 18.x
-          cache: yarn
-      - name: Install Dependencies
-        run: yarn install --no-lockfile
+          node-version: 18
+          no-lockfile: true
       - name: Run Tests
-        run: yarn test:ember
+        run: pnpm test:ember
 
   try-scenarios:
     name: ${{ matrix.try-scenario }}
@@ -68,13 +62,9 @@ jobs:
           - ember-modifier-3.2.7
 
     steps:
-      - uses: actions/checkout@v4
-      - name: Install Node
-        uses: actions/setup-node@v4
+      - uses: actions/checkout@v3
+      - uses: wyvox/action-setup-pnpm@v2
         with:
-          node-version: 18.x
-          cache: yarn
-      - name: Install Dependencies
-        run: yarn install --frozen-lockfile
+          node-version: 18
       - name: Run Tests
         run: ./node_modules/.bin/ember try:one ${{ matrix.try-scenario }}

CONTRIBUTING.md

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

RELEASE.md

@@ -33,7 +33,7 @@ Once the prep work is completed, the actual release is straight forward:
 * Firste ensure that you have installed the projects dependencies:
 
 ```
-yarn install
+pnpm install
 ```
 
 * Second, provide a GitHub [personal access token](https://github.com/settings/tokens)
@@ -46,7 +46,7 @@ export GITHUB_AUTH="f941e0..."
 * And last (but not least :grin:) do your release:
 
 ```
-yarn release
+pnpm release
 ```
 
 [release-it](https://github.com/release-it/release-it/) manages the actual