Merge (clean)

Fix ChaCha256 test running when no 256-bit HW acceleration is available

Run build against tip instead of master

Add tests for UniformInt distributions to fill coverage gaps found by mutation testing with Stryker

Improve RandomNumberGeneratorShim testing where holes were found with mutation testing with Stryker

Improve ChaCha testing where holes were found with mutation testing with Stryker

Add more testing around disposal of RngSeeder sources

Add some extra test cases and specificity to satisfy Stryker

Remove unnecessary argument null guard clauses - these are taken care of by Fody.NullGuard

Ensure Stryker targets .NET 7

Add more tests covering Filler.FillBytesViaNext

Make Filler tests more robust

Avoid doing mutation testing on debug asserts

Fix full CI build not mutating Core project

Add new sourcehut build manifest to run tests, mutation tests, and finally package RandN

Add rudimentary Stryker configuration

Move documentation site out of RandN repository and into RandNDocs

https://hg.sr.ht/~ociaw/RandNDocs

Suppress some errors

Bump lang version to 11 and analysis level to 7

Add ChaCha256-specific tests