ci: Use mocha for both deno and bun (#4067)

* Use mocha for both deno and bun

* Use any Bun 1.1

* remove build:type dependency in lib-check.yml

* Pin point 1.1.42

* remove packages/bot/.mocharc.json

.mocharc.cjs

@@ -0,0 +1,6 @@
+module.exports = {
+  ...require('./.mocharc.base.cjs'),
+  require: 'ts-node/register',
+  loader: 'ts-node/esm',
+  'enable-source-maps': true,
+}