feat: Add Webpack rule to auto instrument Workflows for code coverage, add augmentWorkerOptions() (#858)

* feat: Add Webpack rule to auto instrument Workflows for code coverage, add augmentWorkerOptions()

* Update packages/nyc-test-coverage/src/index.ts

Co-authored-by: Loren ☺️ <251288+lorensr@users.noreply.github.com>

* Update packages/nyc-test-coverage/src/index.ts

Co-authored-by: Loren ☺️ <251288+lorensr@users.noreply.github.com>

* address code review comments

* add augmentBundleOptions() and augmentWorkerOptionsWithBundle() to address code review comments

Co-authored-by: Loren ☺️ <251288+lorensr@users.noreply.github.com>

Author: vkarpov15