fix(ci): restore isolated Bun test execution for mock.module suites

Running Linux CI in one Bun process still leaks mock.module registrations across files, so the workflows now use a CI-specific test runner that isolates mock-heavy targets before executing the remaining suite together.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

script/tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "resolveJsonModule": true,
+    "lib": ["ESNext"],
+    "types": ["bun-types"],
+    "allowImportingTsExtensions": true,
+    "noEmit": true
+  },
+  "include": ["./publish-workflow.test.ts", "./run-ci-tests.ts"]
+}