build(deps): update Microsoft.CodeAnalysis.CSharp version to 4.11.0 and adjust dependabot configuration

Author: arika0093

.github/dependabot.yml

@@ -4,7 +4,12 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
-      
+    ignore:
+      # This package is closely related to the .NET version on the user's side,
+      # and if it is too high, the number of environments that do not work will increase.
+      # Therefore, we want to keep it at the lowest possible version.
+      - dependency-name: "Microsoft.CodeAnalysis.*"
+    
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:

src/IDeepCloneable.Generator/IDeepCloneable.Generator.csproj

@@ -22,7 +22,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
     <PackageReference Include="PolySharp" Version="1.*" Condition="!Exists('packages.config')">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>