Regenerate target info (#1406)

Author: github-actions[bot]

src/target/generated.rs

@@ -3028,6 +3028,18 @@ pub(crate) const LIST: &[(&str, TargetInfo<'static>)] = &[
             llvm_target: "x86_64-linux-android",
         },
     ),
+    (
+        "x86_64-pc-cygwin",
+        TargetInfo {
+            full_arch: "x86_64",
+            arch: "x86_64",
+            vendor: "pc",
+            os: "cygwin",
+            env: "",
+            abi: "",
+            llvm_target: "x86_64-pc-cygwin",
+        },
+    ),
     (
         "x86_64-pc-nto-qnx710",
         TargetInfo {