chore: require pnpm >=10 in engines

pnpm 9 reached end-of-life; align `engines.pnpm` with the pinned
packageManager so older pnpm gets rejected on install rather than
failing later with cryptic lockfile errors.

Author: lutter

.github/workflows/ci.yml

@@ -26,7 +26,6 @@ jobs:
         with:
           nodeVersion: 22
           packageManager: pnpm
-          packageManagerVersion: 9
 
       - name: Lint
         run: pnpm lint
@@ -50,7 +49,6 @@ jobs:
         with:
           nodeVersion: ${{ matrix.node-version }}
           packageManager: pnpm
-          packageManagerVersion: 9
 
       - name: Setup git user information
         run: |
@@ -82,7 +80,6 @@ jobs:
         with:
           nodeVersion: 22
           packageManager: pnpm
-          packageManagerVersion: 9
 
       - name: Build Packages
         run: pnpm build
@@ -112,7 +109,6 @@ jobs:
         with:
           nodeVersion: 22
           packageManager: pnpm
-          packageManagerVersion: 9
 
       - name: Build Packages
         run: pnpm build # will also check types

package.json

@@ -11,9 +11,10 @@
   },
   "license": "(Apache-2.0 OR MIT)",
   "private": true,
+  "packageManager": "pnpm@10.17.1",
   "engines": {
     "node": ">=22.0.0",
-    "pnpm": "9"
+    "pnpm": ">=10"
   },
   "scripts": {
     "build": "pnpm --filter=@graphprotocol/graph-* build",