ci: Fix Package Cache

[Zac-Digital]

Noticed the package cache for NuGet hasn't been working the whole time. The cache isn't thread safe, so when multiple runners (e.g., PR build & test, or building artifacts before deploying) are using it, none of them can properly write to it and quickly break, which means that most of them were just grabbing their packages from NuGet instead of the cache and not being sped up.

Unfortunately the hashFiles() function only works relative to the root of the repository so you can't hash files specific to a project easily. As such the workaround is to add the name of the project into the cache to give each project its own cache.

Since the SonarCloud runs from the SuperSolution it also has its own special cache key.

Also technically it's SpatiaLite and not Spatialite so I just corrected that too while I'm there :P

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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