Swift: Add "autobuilder" on Windows that simply shows an error.

swift/BUILD.bazel

@@ -38,11 +38,15 @@ pkg_files(
 pkg_filegroup(
     name = "extractor-pack-generic",
     srcs = [
-        ":dbscheme_files",
         ":manifest",
-        "//swift/downgrades",
         "//swift/tools",
-    ],
+    ] + select({
+        "@platforms//os:windows": [],
+        "//conditions:default": [
+            ":dbscheme_files",
+            "//swift/downgrades",
+        ],
+    }),
     visibility = ["//visibility:public"],
 )
 
@@ -80,11 +84,14 @@ pkg_files(
 
 pkg_filegroup(
     name = "extractor-pack-arch",
-    srcs = [
-        ":extractor",
-        ":swift-test-sdk-arch",
-        ":resource-dir-arch",
-    ] + select({
+    srcs = select({
+        "@platforms//os:windows": [],
+        "//conditions:default": [
+            ":extractor",
+            ":resource-dir-arch",
+            ":swift-test-sdk-arch",
+        ],
+    }) + select({
         "@platforms//os:macos": [
             ":xcode-autobuilder",
         ],

swift/tools/BUILD.bazel

@@ -19,8 +19,9 @@ sh_binary(
 pkg_files(
     name = "scripts",
     srcs = [
-        ":identify-environment",
+        "autobuild.cmd",
         ":autobuild",
+        ":identify-environment",
         ":qltest",
     ],
     attributes = pkg_attributes(mode = "0755"),

swift/tools/autobuild.cmd

@@ -0,0 +1 @@
+"%CODEQL_EXTRACTOR_SWIFT_ROOT%/tools/%CODEQL_PLATFORM%/autobuilder-incompatible-os.exe"