Rust

Introduce `AnyTls` #494

Job	Run time
Check all the features of the heed3 project	33s
Check the heed3 project (ubuntu-latest)	19s
Check all the features of the heed project	32s
Ensure clippy is happy on heed and heed3	24s
Check the heed3 project (windows-latest)	23s
Run the heed examples (ubuntu-latest)	29s
Check the heed3 project (macos-latest)	22s
Ensure the heed and heed3 project are formatted	15s
Run the heed examples (macos-latest)	29s
Run the heed3 examples (ubuntu-latest)	34s
Run the heed3 examples (macos-latest)	32s
Test the heed3 project (ubuntu-latest)	38s
Test the heed project (ubuntu-latest)	38s
Ensure heed3 is not erasing heed	2s
Test the heed3 project (windows-latest)	29s
Test the heed project (windows-latest)	3m 2s
Test the heed3 project (macos-latest)	24s
Test the heed project (macos-latest)	34s
	10m 39s

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