Merge pull request #64421 from apple/add-swift-5.9-scheme

[update-checkout] Add Swift 5.9 scheme

Author: shahmishal

utils/update_checkout/update-checkout-config.json

@@ -178,6 +178,50 @@
                 "swift-experimental-string-processing": "swift/main"
             }
         },
+        "release/5.9": {
+            "aliases": ["release/5.9", "swift/release/5.9"],
+            "repos": {
+                "llvm-project": "swift/release/5.9",
+                "swift-llvm-bindings": "swift/release/5.9",
+                "swift": "release/5.9",
+                "cmark": "release/5.9",
+                "llbuild": "release/5.9",
+                "swift-tools-support-core": "release/5.9",
+                "swiftpm": "release/5.9",
+                "swift-argument-parser": "1.2.2",
+                "swift-atomics": "1.0.2",
+                "swift-collections": "1.0.1",
+                "swift-crypto": "2.4.0",
+                "swift-certificates": "0.1.0",
+                "swift-asn1": "0.7.0",
+                "swift-driver": "release/5.9",
+                "swift-numerics": "1.0.1",
+                "swift-syntax": "release/5.9",
+                "swift-system": "1.1.1",
+                "swift-stress-tester": "release/5.9",
+                "swift-corelibs-xctest": "release/5.9",
+                "swift-corelibs-foundation": "release/5.9",
+                "swift-corelibs-libdispatch": "release/5.9",
+                "swift-integration-tests": "release/5.9",
+                "swift-xcode-playground-support": "release/5.9",
+                "ninja": "release",
+                "icu": "release-65-1",
+                "yams": "5.0.1",
+                "cmake": "v3.19.6",
+                "indexstore-db": "release/5.9",
+                "sourcekit-lsp": "release/5.9",
+                "swift-format": "release/5.9",
+                "swift-installer-scripts": "release/5.9",
+                "swift-docc": "release/5.9",
+                "swift-lmdb": "release/5.9",
+                "swift-docc-render-artifact": "release/5.9",
+                "swift-docc-symbolkit": "release/5.9",
+                "swift-markdown": "release/5.9",
+                "swift-nio": "2.31.2",
+                "swift-nio-ssl": "2.15.0",
+                "swift-experimental-string-processing": "swift/release/5.9"
+            }
+        },
         "release/5.8": {
             "aliases": ["release/5.8", "swift/release/5.8"],
             "repos": {