build: update pre-commit rules to use pnpm

Update husky and lint-staged to use pnpm instead of yarn.

.husky/pre-commit

@@ -1,4 +1,4 @@
 #!/bin/sh
 . "$(dirname "$0")/_/husky.sh"
 
-yarn pre-commit
+pnpm run pre-commit

.lintstagedrc.json

@@ -1,6 +1,6 @@
 {
-  "src/docs/**": ["yarn docs:build --git"],
-  "src/docs.mts": ["yarn docs:build --git"],
+  "src/docs/**": ["pnpm run docs:build --git"],
+  "src/docs.mts": ["pnpm run docs:build --git"],
   "*.{ts,js,json,html,md,mts}": ["eslint --fix", "prettier --write"],
-  "*.jison": ["yarn lint:jison"]
+  "*.jison": ["pnpm run lint:jison"]
 }