Flaresolverr

* Improve "Execution context was destroyed" error handling
* Implement returnRawHtml parameter. resolves 172 resolves 165
* Capture Docker stop signal. resolves 158
* Reduce Docker image size 20 MB
* Fix page reload after challenge is solved. resolves 162 resolves 143
* Avoid loading images/css/fonts to speed up page load
* Improve Cloudflare IP ban detection
* Fix vulnerabilities

* Improve old JS challenge waiting. Resolves 129

* Improvements in Cloudflare redirect detection. Resolves 140
* Fix installation instructions

* Handle new Cloudflare challenge. Resolves 135 Resolves 134
* Provide reference Systemd unit file. Resolves 72
* Fix EACCES: permission denied, open '/tmp/flaresolverr.txt'. Resolves 120
* Configure timezone with TZ env var. Resolves 109
* Return the redirected URL in the response (126)
* Show an error in hcaptcha-solver. Resolves 132
* Regenerate package-lock.json lockfileVersion 2
* Update issue template. Resolves 130
* Bump ws from 7.4.1 to 7.4.6 (137)
* Bump hosted-git-info from 2.8.8 to 2.8.9 (124)
* Bump lodash from 4.17.20 to 4.17.21 (125)

* Fix memory regression, close test browser
* Fix release-docker GitHub action

* Include license in release zips. resolves 75
* Validate Chrome is working at startup
* Speedup Docker image build
* Add health check endpoint
* Update issue template
* Minor improvements in debug traces
* Validate environment variables at startup. resolves 101
* Add FlareSolverr logo. resolves 23