Introduce WP_PATCH_VERSION that allows reusing patch across the versions

In most cases, there is no need for new patch, as it's exactly the same. There were no changes recorded between versions 5.9.1 and 6.2.2

build/docker-bake.hcl

@@ -41,7 +41,7 @@ function "get-args" {
   params = [version, patch_version]
   result = {
     WP_VERSION = version
-    WP_PATCH_VERSION = patch_version)
+    WP_PATCH_VERSION = patch_version
   }
 }