Fix cache expiration-related issues in Auto Polling mode (#106)

* Make auto polling loop fault-tolerant + make timing more accurate

* Check for expiration on every iteration in Auto Polling mode + allow a tolerance of 500ms to prevent missing fetches due to timer inaccuracy + sync with cache even in offline mode

* Fix a few broken tests

* Fix CI

* npm audit fix

* Bump version

More config v6 tests (#102)

* Add test for another special case of segment condition logging

* Add test for multi-level flag dependency

* Add tests for comparison attribute and comparison value trimming

* Use valid SDK keys in cache key generation tests

* Add tests for comparison attribute conversion to canonical string representation

* Simplify EvaluateContext + improve perf. of user attribute retrieval during evaluation + reduce allocations

* Set eslint as default formatter for VSCode workspace

* Minor corrections

* Move isStringArray into Utils

* Make line break char sequence configurable in log messages

* Align config json error handling of EvaluateLogBuilder with error reporting of RolloutEvaluator

* Improve naming

* Improve User Object tests

* Add a few more test cases

* Correct visibility of appendTargetingRuleThenPart

* Minor corrections

* Correct grammar mistake

* Make naming of UserComparator member consistent

* Add tests for some number parsing edge cases

* Adjust terminology to docs (eliminate the usage of term 'match' in the context of conditions)

* Bump version

Add option for detecting changes to flag overrides (#101)

* Add the ability to detect changes to the flag override map

* Move createFlagOverridesFromMap to common-js to reduce redundancy

* Bump version

Minor improvements and fixes (#100)

* Don't swallow exceptions when config json deserialization fails

* Add types describing the config json schema and use them in the config model builder logic to eliminate loose typing + correct minor errors in the config model types

* Fix additional maxInitWaitTime tests by adding a bit of tolerance to timing checks

* Fix getKeyAndValueAsync so it doesn't return an unsupported setting value

* Bump version

* Run tests on Node 20

* Improve message of error 1103

* Fix another occasionally failing test (increase tolerance of timing checks)

* Correct the generic parameter constraint of IEvaluationDetails and SettingKey

Prepare v9.0.0 (Catnip) release (#98)

* Improve naming (rename apiKey to sdkKey)

* Remove deprecated type (ClientReadyState)

* Format code & clean up imports

* Bump version

* Exclude non-source files so they don't pollute autocompletion/intellisense

* Improve word choice in intellisense docs

* Sync intellisense docs with SDK reference

Prepare v8.2.0 release (#95)

Prepare v8.1.1 release (#91)

* Downgrade TypeScript to v4.0

* Bump version

Prepare v8.1.0 release (#90)

* Improve config refresh performance

* Remove unnecessary disposed check (hook subscribers are disconnected on disposal anyway)

* Fix dependency vulnerabilities

* Bump version

Fix always firing onConfigChanged hook (#87)

* Fix always firing onConfigChanged hook

* Update ConfigServiceBase.ts

* Add test

* Bump version

Minor improvements and fixes (#86)

* Simplify IRolloutEvaluator.evaluate

* Fix return value of getAllValues when one or more settings evaluate with error

* Precalculate millisec interval values

* Bump version