[libbacktrace] The port does not support windows builds (#22673)

ports/libbacktrace/vcpkg.json

@@ -1,6 +1,8 @@
 {
   "name": "libbacktrace",
   "version-date": "2021-03-14",
+  "port-version": 1,
   "description": "The libbacktrace library may be linked into a program or library and used to produce symbolic backtraces.",
-  "homepage": "https://github.com/ianlancetaylor/libbacktrace"
+  "homepage": "https://github.com/ianlancetaylor/libbacktrace",
+  "supports": "!windows"
 }

scripts/ci.baseline.txt

@@ -487,13 +487,6 @@ leptonica:x64-uwp=fail
 leptonica:arm-uwp=fail
 leveldb:arm-uwp=fail
 leveldb:x64-uwp=fail
-libbacktrace:arm64-windows=fail
-libbacktrace:arm-uwp=fail
-libbacktrace:x64-uwp=fail
-libbacktrace:x64-windows=fail
-libbacktrace:x64-windows-static=fail
-libbacktrace:x64-windows-static-md=fail
-libbacktrace:x86-windows=fail
 libaiff:x64-linux=fail
 libarchive:arm-uwp=fail
 libbf:arm64-windows=fail

versions/baseline.json

@@ -3354,7 +3354,7 @@
     },
     "libbacktrace": {
       "baseline": "2021-03-14",
-      "port-version": 0
+      "port-version": 1
     },
     "libbf": {
       "baseline": "1.0.0",

versions/l-/libbacktrace.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "a9544b83bfa32d57ce62d9193a427a246b71f685",
+      "version-date": "2021-03-14",
+      "port-version": 1
+    },
     {
       "git-tree": "8772967fbaa6b8840266c0d04a6daccc78b44c3d",
       "version-date": "2021-03-14",