Fix URL validation to allow for kubernetes types

- allow for a dot in the URN's module part

core/src/main/scala/besom/types.scala

@@ -183,7 +183,7 @@ object types:
       * package    = identifier ;
       * module     = identifier ;
       * type name  = identifier ;
-      * identifier = unicode letter { unicode letter | unicode digit | "_" } ; // this actually lies a bit because it has to allow "/"
+      * identifier = unicode letter { unicode letter | unicode digit | "_" } ; // this actually lies a bit because it has to allow "/" and "."
       * ```
       *
       * So let's start with the easy part, the first part of the regex is just a constant string: `urn:pulumi:`. Then we have these
@@ -202,7 +202,7 @@ object types:
       */
 
     private inline val urnRegex =
-      """urn:pulumi:(?<stack>[^:]+|[^:]*::[^:]*)::(?<project>[^:]+|[^:]*::[^:]*)::(?<parentType>(?:(\p{L}[\p{L}\p{N}_/]*)(?::(\p{L}[\p{L}\p{N}_/]*))?:(\p{L}[\p{L}\p{N}_/]*)(?:\$))*)(?<resourceType>(\p{L}[\p{L}\p{N}_/]*)(?::(\p{L}[\p{L}\p{N}_/]*))?:(\p{L}[\p{L}\p{N}_/]*))::(?<resourceName>[^:]+|[^:]*::[^:]*)"""
+      """urn:pulumi:(?<stack>[^:]+|[^:]*::[^:]*)::(?<project>[^:]+|[^:]*::[^:]*)::(?<parentType>(?:(\p{L}[\p{L}\p{N}_/]*)(?::(\p{L}[\p{L}\p{N}_/]*))?:(\p{L}[\p{L}\p{N}_/]*)(?:\$))*)(?<resourceType>(\p{L}[\p{L}\p{N}_/]*)(?::(\p{L}[\p{L}\p{N}_/\\.]*))?:(\p{L}[\p{L}\p{N}_/]*))::(?<resourceName>[^:]+|[^:]*::[^:]*)"""
 
     private[types] val UrnRegex = urnRegex.r
 

core/src/test/scala/besom/util/URNTest.scala

@@ -25,6 +25,10 @@ class URNTest extends munit.FunSuite with CompileAssertions:
     "urn:pulumi:stack::project::pulumi:pulumi:Stack::stack-name"
   )
 
+  val kubernetesIngressUrn = URN(
+    "urn:pulumi:stack::project::kubernetes:networking.k8s.io/v1:Ingress::my-ingress"
+  )
+
   test("URN.apply should only work for correct URNs") {
     failsToCompile("""
       import besom.types.URN