chore(deps): update dotnet monorepo to v9 (major)

[renovate]

WARNING

• I have made sure to update the singularity and conda images

This PR contains the following updates:

Package	Type	Update	Change
mcr.microsoft.com/dotnet/runtime	final	major	6.0 -> 9.0
mcr.microsoft.com/dotnet/sdk	stage	major	6.0 -> 9.0

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[renovate]

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[edmundmiller]

Docker build works, singularity build is failing but that may just be the way things go.