Disallow sharp postinstall script

See lovell/sharp#4442 (comment)

Author: PowerKiKi

pnpm-workspace.yaml

@@ -6,6 +6,7 @@ allowBuilds:
   esbuild: true
   lmdb: false
   msgpackr-extract: false
+  sharp: false
 
 # The minimum age of a release to be considered for dependency installation.
 # The value is in minutes (1440 minutes = 1 day).