[libsquish] improve supoorts expression (#28935)

ports/libsquish/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "libsquish",
   "version": "1.15",
-  "port-version": 12,
+  "port-version": 13,
   "description": "Open source DXT compression library.",
   "homepage": "https://sourceforge.net/projects/libsquish",
   "license": "MIT",
@@ -18,7 +18,7 @@
   "features": {
     "sse2": {
       "description": "Build with SSE2",
-      "supports": "osx"
+      "supports": "osx & x64"
     }
   }
 }

versions/baseline.json

@@ -4326,7 +4326,7 @@
     },
     "libsquish": {
       "baseline": "1.15",
-      "port-version": 12
+      "port-version": 13
     },
     "libsrt": {
       "baseline": "1.5.0",

versions/l-/libsquish.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "b6a8a3e697c1cfcd378bfe725d5994ac9e9dc6d3",
+      "version": "1.15",
+      "port-version": 13
+    },
     {
       "git-tree": "6a7a36071f8261b00c8720cbf8024df31c15650f",
       "version": "1.15",