fix: ensure dist directory is cleared before packaging

Author: ncalteen

package.json

@@ -30,7 +30,7 @@
     "format:check": "npx prettier --check .",
     "lint": "npx eslint .",
     "local-action": "npx @github/local-action . src/main.ts .env",
-    "package": "npx rollup --config rollup.config.ts --configPlugin @rollup/plugin-typescript",
+    "package": "rm -rf ./dist && npx rollup --config rollup.config.ts --configPlugin @rollup/plugin-typescript",
     "package:watch": "npm run package -- --watch",
     "test": "NODE_OPTIONS=--experimental-vm-modules NODE_NO_WARNINGS=1 npx jest",
     "all": "npm run format:write && npm run lint && npm run test && npm run coverage && npm run package"