[mp-units] Update repo and Description (#42123)

Co-authored-by: Jon <v-zhli17@microsoft.com>

ports/mp-units/portfile.cmake

@@ -4,7 +4,7 @@ endif()
 
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
-    REPO mpusz/units
+    REPO mpusz/mp-units
     REF "v${VERSION}"
     SHA512 7e3a897a0df438d43dc860febe813f84b671caa26195cea1e8df75769d418d5456852200b8f546107c97214e88e77015e044a95d0c45d4c19341288136e11fbc
     PATCHES

ports/mp-units/vcpkg.json

@@ -1,8 +1,9 @@
 {
   "name": "mp-units",
   "version": "2.4.0",
-  "description": "mp-units - A Units Library for C++",
-  "homepage": "https://github.com/mpusz/units",
+  "port-version": 1,
+  "description": "The quantities and units library for C++",
+  "homepage": "https://mpusz.github.io/mp-units",
   "license": "MIT",
   "dependencies": [
     "fmt",

versions/baseline.json

@@ -6062,7 +6062,7 @@
     },
     "mp-units": {
       "baseline": "2.4.0",
-      "port-version": 0
+      "port-version": 1
     },
     "mp3lame": {
       "baseline": "3.100",

versions/m-/mp-units.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "9aa4f0f45b84c4c3a857591a4db1e18a765e7e1b",
+      "version": "2.4.0",
+      "port-version": 1
+    },
     {
       "git-tree": "ed700870ad652bca5a8845bd0bafed4e18e11ff2",
       "version": "2.4.0",