fix(jest): Inline setupTests into jest.config.js

Jest 30's new module resolver fails to find setupFiles on certain Node
versions. Since setupTests.js only sets one env var, inline it directly
in the config to avoid the resolution issue entirely.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: romtsn

jest.config.js

@@ -1,7 +1,10 @@
+const path = require('path');
+
+process.env.SENTRY_BINARY_PATH = path.join(__dirname, 'lib', '__mocks__', 'sentry-cli');
+
 module.exports = {
   collectCoverage: true,
   testEnvironment: 'node',
-  setupFiles: [require.resolve('./setupTests.js')],
   testPathIgnorePatterns: ['./src/', './tests/integration/'],
   transform: {
     '^.+\\.ts$': 'ts-jest',