Convert to TypeScript, AWS Fargate support, Addressables! 🚀

Changes:

• #249 Closes #243 (Add namespace to avoid name conflict)
• #246 Implement AWS Fargate support [Large build support]
• #245 Aws ts (typescript improvements for AWS implementation)
• #239 Add Discord link in issues
• #234 Pass on USYM_UPLOAD_AUTH_TOKEN if defined
• #231 Run default addressables build conditionally
• #222 Create versioning.yml
• #216 Add newline to isShallow output
• #215 Only fetch if the repo is shallow (to avoid unnecessary errors)
• #214 Security (reverting back from pull_request_target to pull_request, hardcoding the license)
• #211 Clf support upm ssh keys
• #206 Remove debug from versioning
• #203 Split workflows into self-contained checks
• #202 Secure licenses
• #201 add activation workflow and set retention periods
• #196 allow versions with -alpha,-rc,-rc.0 .... + don't fail build on versi…

Fixes:

• #238 Fix build script for Unity 2018, by using reflection instead of version defines

Updates:

• #237 Bump y18n from 4.0.0 to 4.0.1 dependencies
• #228 Update repo url and status badges
• #226 Refactor action to typescript
• #213 Update README.md
• #194 update deprecated workflow

Credits:

Huge thanks to @frostebite for the AWS Fargate implementation! 🎉
Huge thanks to @sbergen for adding support for Addressables out of the box! 🎉
Huge thanks to @davidmfinol for your 6 contributions in this release! 🎉

Also thanks to @dependabot, @mastef, @mob-sakai, @CrisFeo, @caiusno1 for their contributions! ♥