Update PNPM to version 8

.github/workflows/bundlewatch.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Install PNPM
         uses: pnpm/action-setup@v2
         with:
-          version: 7
+          version: 8
 
       - name: Set up Bundler
         uses: ruby/setup-ruby@v1

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Install PNPM
         uses: pnpm/action-setup@v2
         with:
-          version: 7
+          version: 8
 
       - name: Install Dependencies
         run: pnpm install

.github/workflows/test.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Install PNPM
         uses: pnpm/action-setup@v2
         with:
-          version: 7
+          version: 8
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1