Lock PNPM version to 7 (#782)

Author: AndyBitz

.github/workflows/ci.yaml

@@ -14,7 +14,7 @@ jobs:
       - name: Setup PNPM 7
         uses: pnpm/[email protected]
         with:
-          version: latest
+          version: 7
       - name: Setup Node 18
         uses: actions/setup-node@v2
         with:
@@ -34,7 +34,7 @@ jobs:
       - name: Setup PNPM 7
         uses: pnpm/[email protected]
         with:
-          version: latest
+          version: 7
       - name: Setup Node 18
         uses: actions/setup-node@v2
         with:

.github/workflows/publish.yaml

@@ -15,7 +15,7 @@ jobs:
       - name: Setup PNPM 7
         uses: pnpm/[email protected]
         with:
-          version: latest
+          version: 7
       - name: Setup Node 18
         uses: actions/setup-node@v2
         with: