Merge remote-tracking branch 'upstream/beta' into MSNev/MergeBetaToMa…

…ster (#1791)

* Update version update script to support default "next" release version (major/minor) not just patch (#1756) (#1757)

* Merge [master] branch to [beta] and Enable GitHub Actions on [beta] branch (#1762)

* Update version update script to support default "next" release version (major/minor) not just patch (#1756)

* Additional Performance enhancements to use provided functions rather than internal polyfill's (#1758)

* [BUG] 2.7.4-nightly.2202-03 builds have a bug where objKeys() is not returning the keys #1763 (#1764)

* Enable GitHub Actions on [beta] branch

* Beta Part 1: Part of Mega Dynamic Load/Unload support (#1766)

- Refactor TelemetryPluginChain ready to start supporting load/unload
- Move TelemetryInitializer to BaseCore
- add getPlugin (will be used for remove)
- Address Channel flush issue

* Merge remote-tracking branch 'upstream/master' into beta (#1772)

* Additional Performance enhancements to use provided functions rather than internal polyfill's (#1758)

* [BUG] 2.7.4-nightly.2202-03 builds have a bug where objKeys() is not returning the keys #1763 (#1764)

* Update version.json (#1767)

* [Release] Increase version to 2.7.4 (#1770)

- Updates React Plugin to v3.2.4 (with v2.7.4 as dependency)
- Updates React Native Plugin to 2.4.4 (with v2.7.4 as dependency)
- Updates Chrome Debug Extension to 0.2.4

This release is primarily a performance improvement release where we will now use any built in (or provided polyfill) function
over the internal polyfills for

- String trim()
- String endsWith()
- String startsWith()
- Additional Date toISOString()
- Array isArray()
- Array indexOf()
- Array map()
- Array reduce()
- Object freeze()
- Object seal()

* [Beta] Keep version.json next as minor and resync shrinkwrap
- Fix merge issue

* Beta Part 2: Part of Mega Dynamic Load/Unload support (#1768)

- Add Event Namespace support
- Minification of constant values
- Add part of the unload functionality (required for unified `teardown()` functionality)

* Beta Part 3: Part of Mega Dynamic Load/Unload support (#1780)

* Beta Part 3: Part of Mega Dynamic Load/Unload support
- Add Core SDK Unload support

* Fix telemetry chain for null and undefined

* Beta Part 4: Part of Mega Dynamic Load/Unload support (#1781)

* Beta Part 4: Part of Mega Dynamic Load/Unload support
- Fix function typing issues
- Update Analytics Extension to start supporting teardown / unload (more tests required)
- Adds namespace option to instrumentation hooks (for debugging teardown issues)
- Update AITest Class to log and optionally assert events and hooks that have not been removed
- Add Update callback when plugins are added / removed (will be extended for config updates)
- Some minor minification improvements

* Update comments

* Add missing enum definition

* Update Sender tests

* Beta Part 5: Part of Mega Dynamic Load/Unload support (#1782)

- Add Missing Exports
- AnalyticsPlugin: Implement teardown and initial test validation
- Dependencies Plugin: Implement teardown and initial test validation
- Add flush() to IAppInsightsCore

* AI Beta: Minor bug fixes and additional debug info (#1787)

* Lint fixes: Enable Automatic formatting fixes (#1788)

* Beta Part 6: Part of Mega Dynamic Load/Unload support (#1782) (#1789)

- Add basic minimal unload / teardown support to all remaining components
- Update rollup cleanup dependencies

* Beta: Component Governance Updates to address known dependency issues (#1790)