map reg key 528449 to net48

[SimonCropp]

https://docs.microsoft.com/en-us/dotnet/framework/migration-guide/versions-and-dependencies#net-framework-48

[codecov-commenter]

Codecov Report

Merging #1465 (85a2d8a) into main (d441666) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1465      +/-   ##
==========================================
+ Coverage   84.26%   84.28%   +0.01%     
==========================================
  Files         219      219              
  Lines        7385     7386       +1     
  Branches     1416     1416              
==========================================
+ Hits         6223     6225       +2     
  Misses        727      727              
+ Partials      435      434       -1     

Impacted Files	Coverage Δ
src/Sentry/PlatformAbstractions/FrameworkInfo.cs	100.00% <100.00%> (ø)
src/Sentry/Exceptions/SentryStackFrame.cs	81.70% <0.00%> (+1.21%)	⬆️

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