Migrate to .NET 9, update all packages, and fix security vulnerabilities

Co-authored-by: NatYou345 <[email protected]>

Author: Copilot

src/BuildingBlocks/EventBus/EventBus/bin/Debug/net9.0/EventBus.dll

@@ -13,7 +13,7 @@
 [assembly: System.Reflection.AssemblyCompanyAttribute("EventBus")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+1a8b395ed18f8f26654475e19de22afa3d9975ee")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+ac1eb1ea194ee72f31eded440b1a3c03c53c5657")]
 [assembly: System.Reflection.AssemblyProductAttribute("EventBus")]
 [assembly: System.Reflection.AssemblyTitleAttribute("EventBus")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]

src/BuildingBlocks/EventBus/EventBus/bin/Debug/net9.0/EventBus.pdb

@@ -1 +1 @@
-ab4b18bb37b3296964df8377f1123d28a205a7b3698939a003bb21f04ef7c116
+528e6cf58a1bb6ac28babe245351a006d6cc07281fec763127949bd7bab5ef64

src/BuildingBlocks/EventBus/EventBus/obj/Debug/net9.0/EventBus.AssemblyInfo.cs

@@ -1 +1 @@
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+{"documents":{"/home/runner/work/mslearn-microservices-devops-aspnet-core/mslearn-microservices-devops-aspnet-core/*":"https://raw.githubusercontent.com/NatYou345/mslearn-microservices-devops-aspnet-core/ac1eb1ea194ee72f31eded440b1a3c03c53c5657/*"}}