migrate to record (#1665)

* migrate to record

* chore: update project files and clean up unused references

* refactor: convert classes to records and simplify constructors for IntOrString, ResourceQuantity, and V1Patch

* fix: define IsExternalInit to resolve CS0518 error in IntOrString

* refactor: change IntOrString and ResourceQuantity from records to structs, update implicit conversions, and simplify null checks

* refactor: add JsonPropertyName attribute to Value property in IntOrString struct

* refactor: simplify V1Patch constructor and improve argument validation

* refactor: remove unnecessary CultureInfo parameter in ToInt method

* Update src/KubernetesClient/Models/ResourceQuantity.cs

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update src/KubernetesClient/Models/IntOrString.cs

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Revert "Update src/KubernetesClient/Models/ResourceQuantity.cs"

This reverts commit 62b20a691554659e28d419067220dc1a0620133b.

* refactor: remove commented-out formatting check and simplify build command

* refactor: remove IValidate.cs from project references in Aot and Classic

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

examples/resize/Program.cs

@@ -23,7 +23,7 @@ var pod = new V1Pod
                 {
                     Requests = new Dictionary<string, ResourceQuantity>()
                     {
-                        ["cpu"] = new ResourceQuantity("100m"),
+                        ["cpu"] = "100m",
                     },
                 },
             },