[FSSDK-9490] Prepare for release 5.0.0-beta2 (optimizely#835)

prepare for release 4.9.4 (optimizely#831)

[FSSDK-9096] chore: Prepare release 5.0.0-beta (optimizely#822)

Updated package-lock to lockfileVersion 1 (using npm 6.14.18)

chore: prepare release 4.9.2 (optimizely#767)

datafile-manager: typescript types file path updated in package.json (o…

…ptimizely#764)

## Summary
- Updated typescript types file path from `lib/index.d.ts` to `lib/index.node.d.ts` in package.json
- Prep for release `0.9.5` for datafile manager

## Test plan
All existing tests pass

prep for releases (optimizely#741)

prep for releases (optimizely#741)

revert optimizely#735 and prep for release 0.9.3 for `js-sdk-datafile…

…-manager` and 0.9.4 for `js-sdk-event-processor` (optimizely#739)

## Summary
React native dependencies were converted from `peer` to `optional` in `js-sd-datafile-manager` version `0.9.2` and `js-sdk-event-processor` version `0.9.3`. After releasing, it appeared that they did not work as expected. This PR reverts back that change which was made in optimizely#735 and updates changelog and npm version to make new releases for both the packages.

## Test plan
- Manually tested.
- All unit tests pass

revert optimizely#735 and prep for release 0.9.3 for `js-sdk-datafile…

…-manager` and 0.9.4 for `js-sdk-event-processor` (optimizely#739)

## Summary
React native dependencies were converted from `peer` to `optional` in `js-sd-datafile-manager` version `0.9.2` and `js-sdk-event-processor` version `0.9.3`. After releasing, it appeared that they did not work as expected. This PR reverts back that change which was made in optimizely#735 and updates changelog and npm version to make new releases for both the packages.

## Test plan
- Manually tested.
- All unit tests pass