Fix esbuild warning dynamic/indirect calls to require

[doktor500]

Before submitting a pull request, please take a look at our
Contributing guidelines and verify:

• If you've added code that should be tested, please add tests (Refactor that doesn't change behaviour)
• Ensure your code lints and the test suite passes (yarn lint) & (yarn test).

Given a project that uses esbuild as a build tool, this warning is prompt when the @sentry/node dependency is added to the project, This PR removes the warning.

Compiling with esbuild...
 > node_modules/@sentry/node/dist/integrations/modules.js: warning: Indirect calls to "require" will not be bundled (surround with a try/catch to silence this warning)
    9 │     var paths = require.cache ? Object.keys(require.cache) : [];
      ╵                 ~~~~~~~

[kamilogorek]

Thanks!