fix yarn/corepack references in clean script

Author: darcyclarke

scripts/clean.sh

@@ -12,9 +12,9 @@ rm -rf vlt-lock.json;
 rm -rf bun.lockb;
 rm -rf deno.lock;
 npm cache clean --force;
-yarn@1 cache clean --all;
-yarn@latest cache clean --all;
-pnpm cache delete *;
+corepack yarn@1 cache clean --all;
+corepack yarn@latest cache clean --all;
+corepack pnpm cache delete *;
 rm -rf $(vlt config get cache);
 rm -rf $(bun pm cache);
 deno clean;