fix: set verifyDepsBeforeRun to warn to prevent parallel install deadlock

pnpm v11 defaults to verifyDepsBeforeRun: install, which auto-runs
pnpm install before every pnpm run. When turbo runs multiple build
tasks in parallel, concurrent installs on the same workspace deadlock.

pnpm-workspace.yaml

@@ -193,6 +193,7 @@ catalogMode: strict
 nodeLinker: hoisted
 strictPeerDependencies: false
 engineStrict: true
+verifyDepsBeforeRun: warn
 minimumReleaseAge: 4320
 minimumReleaseAgeExclude:
   - next