ci: use pnpm install without frozen-lockfile

Author: teamchong

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
           node-version: 22
           cache: pnpm
 
-      - run: pnpm install --frozen-lockfile
+      - run: pnpm install
 
       - name: Type check
         run: pnpm build
@@ -40,7 +40,7 @@ jobs:
           node-version: 22
           cache: pnpm
 
-      - run: pnpm install --frozen-lockfile
+      - run: pnpm install
 
       - name: Generate benchmark data
         run: npx tsx scripts/generate-bench-data.ts