Bump SwiftArgumentParser checkout to 1.0.3.

Author: abertelrud

utils/update_checkout/update-checkout-config.json

@@ -93,7 +93,7 @@
                 "llbuild": "main",
                 "swift-tools-support-core": "main",
                 "swiftpm": "main",
-                "swift-argument-parser": "1.0.1",
+                "swift-argument-parser": "1.0.3",
                 "swift-atomics": "1.0.2",
                 "swift-collections": "1.0.1",
                 "swift-crypto": "1.1.5",
@@ -135,7 +135,7 @@
                 "llbuild": "main",
                 "swift-tools-support-core": "main",
                 "swiftpm": "main",
-                "swift-argument-parser": "1.0.1",
+                "swift-argument-parser": "1.0.3",
                 "swift-atomics": "1.0.2",
                 "swift-collections": "1.0.1",
                 "swift-crypto": "1.1.5",
@@ -169,7 +169,7 @@
                 "llbuild": "release/5.6",
                 "swift-tools-support-core": "release/5.6",
                 "swiftpm": "release/5.6",
-                "swift-argument-parser": "1.0.1",
+                "swift-argument-parser": "1.0.3",
                 "swift-atomics": "1.0.2",
                 "swift-collections": "1.0.1",
                 "swift-crypto": "1.1.5",
@@ -286,7 +286,7 @@
                 "llbuild": "main",
                 "swift-tools-support-core": "main",
                 "swiftpm": "main",
-                "swift-argument-parser": "1.0.1",
+                "swift-argument-parser": "1.0.3",
                 "swift-atomics": "1.0.2",
                 "swift-collections": "1.0.1",                
                 "swift-crypto": "1.1.5",