[readline-win32] only windows (#22557)

ports/readline-win32/vcpkg.json

@@ -1,7 +1,8 @@
 {
   "name": "readline-win32",
-  "version-string": "5.0",
-  "port-version": 3,
+  "version": "5.0",
+  "port-version": 4,
   "description": "Implementation of readline for Windows Desktop",
-  "homepage": "https://github.com/lltcggie"
+  "homepage": "https://github.com/lltcggie",
+  "supports": "windows & !uwp"
 }

scripts/ci.baseline.txt

@@ -1212,10 +1212,6 @@ rbdl-orb:x64-linux=skip
 rbdl-orb:x64-osx=skip
 readline:arm-uwp=fail
 readline:x64-uwp=fail
-readline-win32:arm-uwp=fail
-readline-win32:x64-linux=fail
-readline-win32:x64-osx=fail
-readline-win32:x64-uwp=fail
 realsense2:arm64-windows=fail
 realsense2:arm-uwp=fail
 realsense2:x64-uwp=fail

versions/baseline.json

@@ -5998,7 +5998,7 @@
     },
     "readline-win32": {
       "baseline": "5.0",
-      "port-version": 3
+      "port-version": 4
     },
     "readosm": {
       "baseline": "1.1.0a",

versions/r-/readline-win32.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "b1ed33b8ec37a1cf44926c9954b6943bce302b70",
+      "version": "5.0",
+      "port-version": 4
+    },
     {
       "git-tree": "5d2ea2655a570f6c0fd17689715d542336d531ea",
       "version-string": "5.0",