chore: bump dotnet sdk to 8

.editorconfig

@@ -811,10 +811,6 @@ dotnet_diagnostic.CA1852.severity = suggestion
 # CA1854: Prefer 'TryGetValue' over 'ContainsKey' and 'Item' when accessing dictionary items
 dotnet_diagnostic.CA1854.severity = suggestion
 
-# https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1859
-# CA1859: Use culture-aware string operations
-dotnet_diagnostic.CA1859.severity = suggestion
-
 # https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1860
 # CA1860: Avoid using 'Enumerable.Any()' extension method.
 dotnet_diagnostic.CA1860.severity = suggestion
@@ -823,6 +819,18 @@ dotnet_diagnostic.CA1860.severity = suggestion
 # CA1861: Prefer 'static readonly' fields over constant array arguments if the called method is called repeatedly
 dotnet_diagnostic.CA1861.severity = suggestion
 
+# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1862
+# CA1862: Prefer using 'string.Equals(string, StringComparison)' to perform a case-insensitive comparison
+dotnet_diagnostic.CA1862.severity = suggestion
+
+# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1865
+# CA1865: Use 'string.StartsWith(char)' instead of 'string.StartsWith(string)' when you have a string with a single char
+dotnet_diagnostic.CA1865.severity = suggestion
+
+# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1869
+# CA1869: Avoid creating a new 'JsonSerializerOptions' instance for every serialization operation. Cache and reuse instances instead.
+dotnet_diagnostic.CA1869.severity = suggestion
+
 # https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca2000
 # CA2000: Dispose objects before losing scope
 dotnet_diagnostic.CA2000.severity = suggestion
@@ -1035,6 +1043,14 @@ dotnet_diagnostic.IDE0220.severity = suggestion
 # IDE0251: Member can be made 'readonly'
 dotnet_diagnostic.IDE0251.severity = suggestion
 
+# https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0290
+# IDE0290: Use primary constructor
+dotnet_diagnostic.IDE0290.severity = suggestion
+
+# https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide0300
+# IDE0290: Collection initialization can be simplified
+dotnet_diagnostic.IDE0300.severity = suggestion
+
 # https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/ide1006
 # IDE1006: Naming rule violation: These words must begin with upper case characters: ...
 dotnet_diagnostic.IDE1006.severity = suggestion

Directory.Build.props

@@ -11,6 +11,7 @@
         <AnalysisMode>AllEnabledByDefault</AnalysisMode>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <NoWarn>$(NoWarn);CA1014;CS8002</NoWarn>
+        <SuppressNETCoreSdkPreviewMessage>true</SuppressNETCoreSdkPreviewMessage>
     </PropertyGroup>
 
     <PropertyGroup Label="Package">

global.json

@@ -1,7 +1,6 @@
 {
   "sdk": {
-    "version": "7.0.400",
-    "rollForward": "latestMajor",
-    "allowPrerelease": false
+    "version": "8.0.100-rc.1.23463.5",
+    "rollForward": "latestMajor"
   }
 }