axios/axios v0.21.2 on GitHub

Fixes and Functionality:

Updating axios requests to be delayed by pre-emptive promise creation (#2702)
Adding "synchronous" and "runWhen" options to interceptors api (#2702)
Updating of transformResponse (#3377)
Adding ability to omit User-Agent header (#3703)
Adding multiple JSON improvements (#3688, #3763)
Fixing quadratic runtime and extra memory usage when setting a maxContentLength (#3738)
Adding parseInt to config.timeout (#3781)
Adding custom return type support to interceptor (#3783)
Adding security fix for ReDoS vulnerability (#3980)

Internal and Tests:

Updating build dev dependancies (#3401)
Fixing builds running on Travis CI (#3538)
Updating follow rediect version (#3694, #3771)
Updating karma sauce launcher to fix failing sauce tests (#3712, #3717)
Updating content-type header for application/json to not contain charset field, according do RFC 8259 (#2154)
Fixing tests by bumping karma-sauce-launcher version (#3813)
Changing testing process from Travis CI to GitHub Actions (#3938)

Documentation:

Updating documentation around the use of AUTH_TOKEN with multiple domain endpoints (#3539)
Remove duplication of item in changelog (#3523)
Fixing gramatical errors (#2642)
Fixing spelling error (#3567)
Moving gitpod metion (#2637)
Adding new axios documentation website link (#3681, #3707)
Updating documentation around dispatching requests (#3772)
Adding documentation for the type guard isAxiosError (#3767)
Adding explanation of cancel token (#3803)
Updating CI status badge (#3953)
Fixing errors with JSON documentation (#3936)
Fixing README typo under Request Config (#3825)
Adding axios-multi-api to the ecosystem file (#3817)
Adding SECURITY.md to properly disclose security vulnerabilities (#3981)

Huge thanks to everyone who contributed to this release via code (authors listed below) or via reviews and triaging on GitHub: