update-checkout: bump swift-argument-parser to 1.8.2

Bump the swift-argument-parser pin to allow building with the
canonically typed constants.

Author: compnerd

utils/update_checkout/update-checkout-config.json

@@ -154,7 +154,7 @@
                 "swift-tools-protocols": "main",
                 "swift-tools-support-core": "main",
                 "swiftpm": "main",
-                "swift-argument-parser": "1.6.1",
+                "swift-argument-parser": "1.8.2",
                 "swift-atomics": "1.2.0",
                 "swift-collections": "1.1.6",
                 "swift-crypto": "3.12.5",
@@ -829,7 +829,7 @@
                 "swift-tools-protocols": "main",
                 "swift-tools-support-core": "main",
                 "swiftpm": "main",
-                "swift-argument-parser": "1.6.1",
+                "swift-argument-parser": "1.8.2",
                 "swift-atomics": "1.2.0",
                 "swift-collections": "1.1.6",
                 "swift-crypto": "3.12.5",