Release 0.49.0

[SeanTAllen]

Target release date is Saturday February 26.

post pony_test breakage PR:

every "update to work" below includes switching any pr tasks to run against latest/nightly/nightlies in pr.yml for the respective project. each "update to work" below should have release notes that state that it is a fix to work with the renaming of ponytest to pony_test. The release notes should link to #4032.

Example release notes for the below that only involve PonyTest.

## Update to work with ponytest name change in Pony 0.49.0

The Pony unit testing framework PonyTest had [its package name renamed](https://github.com/ponylang/ponyc/pull/4032) from `ponytest` to `pony_test` to match standard library naming conventions. We've updated to account for the new name.

• update appdirs to work
• update peg to work
• update corral to work
• update crypto to work
• update fork_join to work
• update regex to work
• update net_ssl to work
• remove ponycheck dependency from corral.json and lock.json for valbytes
• update valbytes to work
• update logger to work
• update reactive_streams to work
• update semver to work

Post-release tasks:

• release new version of library documentation action
• update library documentation action in every repo
• update with documentation in the tutorial
• merge object capabilities pony patterns change
• merge rfc #72 related tutorial updates
• merge PonyTest rename updates to the Tutorial
• merge PonyTest rename updates to Pony Patterns
• merge PonyCheck addition to the Tutorial
• merge website updates
• merge PonyCheck is now in stdlib PR for PonyCheck
• archive the ponylang/ponycheck repository
• set appdirs back to release in pr.yml
• release appdirs 0.1.5
• set peg library pr.yml back to run against release pony
• release peg library 0.1.4
• set corral pr.yml and nightlies.yml back to run against release pony builds
• release corral 0.5.7
• set crypto pr.yml back to run against release builds
• release crypto 1.1.5
• set fork_join pr.yml back to run against release builds
• release fork_join 0.1.1
• set regex pr.yml back to run against release builds
• release regex 1.1.5
• set net_ssl pr.yml back to run against release builds
• release net_ssl 1.2.1
• set valbytes pr.yml back to run against release builds
• release valbytes 0.6.2
• set logger pr.yml back to run against release builds
• release logger 1.0.1
• set reactive_streams pr.yml back to run against release builds
• release reactive_streams 0.2.1
• set semver pr.yml back to run against release builds
• release semver 0.2.4

2nd round:

• update glob to work with 0.49.0
• release glob 1.0.6
• move mac tools install back to release and use release docker image for linux PR builds in changelog-tool
• update changelog-tool to work with 0.49.0
• update http to work with 0.49.0
• release http 0.5.2
• remove ponycheck dependency from corral.json for http_server
• update http_server to work with 0.49.0
• release http_server 0.4.1
• remove ponycheck dependency from corral.json for templates
• update templates to work with 0.49.0
• release templates 0.2.3

3rd round:

• update github_rest_api to work with 0.49.0
• update ponyup to work with 0.49.0
• update pony-sync-helper to work with 0.49.0
• update rfc-tool to work with 0.49.0

4th round (sean personal)

• update lori
• release lori 0.2.1
• update msgpack
• release msgpack 0.2.4

[SeanTAllen]

Release is underway