fix: allow esbuild, sharp, and workerd build scripts for pnpm 11 (#253)

pnpm 11 enables strictDepBuilds by default, causing CI to fail with
ERR_PNPM_IGNORED_BUILDS on fresh installs.

Author: yanglbme

pnpm-workspace.yaml

@@ -4,3 +4,8 @@ overrides:
 # Cloudflare publishes workers-types daily; exclude from the 24h release-age gate.
 minimumReleaseAgeExclude:
   - '@cloudflare/workers-types'
+
+allowBuilds:
+  esbuild: true
+  sharp: true
+  workerd: true