Make ABI thread-safe and add imageflow_context_request_cancellation

v2.2.0-rc01

fix clippy warnings

v2.1.2-rc02

v2.1.2-rc03

Imageflow.NativeRuntime and Imageflow.NativeTool now only use a .targ…

v2.1.2-rc02

Update Imageflow.NativeTool to add buildTransitive targets on all platforms - however, this is not needed.

Full Changelog: v2.1.2-rc01...v2.1.2-rc02

v2.1.2-rc01

Full Changelog: v2.1.1-rc11...v2.1.2-rc01

v2.1.1-rc11 - nuget NativeTool packages now use runtimes/rid/native folder.

Complete previous commit

v2.1.1-rc10

Full Changelog: v2.1.0-rc08...v2.1.1-rc10

v2.1.1-rc09

ci: pwsh can't do [bool]"false"

v2.1.1-rc08

ci: pwsh can't compare true and "true", nor is true not a string. yay.

v2.1.1-rc07

ci: package debug symbols in archives

v2.1.1-rc06

ci: make sure windows artifacts have imageflow.dll, but not *.sh