Update swift-stress-tester to use main

Author: shahmishal

utils/update_checkout/update-checkout-config.json

@@ -65,7 +65,7 @@
                 "swiftpm": "main",
                 "swift-argument-parser": "0.3.0",
                 "swift-driver": "main",
-                "swift-syntax": "master",
+                "swift-syntax": "main",
                 "swift-stress-tester": "master",
                 "swift-corelibs-xctest": "master",
                 "swift-corelibs-foundation": "master",
@@ -96,7 +96,7 @@
                 "swift-argument-parser": "0.3.0",
                 "swift-driver": "main",
                 "swift-syntax": "main",
-                "swift-stress-tester": "master",
+                "swift-stress-tester": "main",
                 "swift-corelibs-xctest": "master",
                 "swift-corelibs-foundation": "master",
                 "swift-corelibs-libdispatch": "master",
@@ -119,7 +119,7 @@
                 "llbuild": "swift-3.0-branch",
                 "swiftpm": "swift-3.0-branch",
                 "swift-syntax": "main",
-                "swift-stress-tester": "master",
+                "swift-stress-tester": "main",
                 "swift-corelibs-xctest": "swift-3.0-branch",
                 "swift-corelibs-foundation": "swift-3.0-branch",
                 "swift-corelibs-libdispatch": "swift-3.0-branch",
@@ -140,7 +140,7 @@
                 "llbuild": "swift-3.1-branch",
                 "swiftpm": "swift-3.1-branch",
                 "swift-syntax": "main",
-                "swift-stress-tester": "master",
+                "swift-stress-tester": "main",
                 "swift-corelibs-xctest": "swift-3.1-branch",
                 "swift-corelibs-foundation": "swift-3.1-branch",
                 "swift-corelibs-libdispatch": "swift-3.1-branch",
@@ -161,7 +161,7 @@
                 "llbuild": "swift-4.0-branch",
                 "swiftpm": "swift-4.0-branch",
                 "swift-syntax": "main",
-                "swift-stress-tester": "master",
+                "swift-stress-tester": "main",
                 "swift-corelibs-xctest": "swift-4.0-branch",
                 "swift-corelibs-foundation": "swift-4.0-branch",
                 "swift-corelibs-libdispatch": "swift-4.0-branch",
@@ -182,7 +182,7 @@
                 "llbuild": "swift-4.1-branch",
                 "swiftpm": "swift-4.1-branch",
                 "swift-syntax": "main",
-                "swift-stress-tester": "master",
+                "swift-stress-tester": "main",
                 "swift-corelibs-xctest": "swift-4.1-branch",
                 "swift-corelibs-foundation": "swift-4.1-branch",
                 "swift-corelibs-libdispatch": "swift-4.1-branch",
@@ -203,7 +203,7 @@
                 "llbuild": "swift-4.2-branch",
                 "swiftpm": "swift-4.2-branch",
                 "swift-syntax": "swift-4.2-branch",
-                "swift-stress-tester": "master",
+                "swift-stress-tester": "main",
                 "swift-corelibs-xctest": "swift-4.2-branch",
                 "swift-corelibs-foundation": "swift-4.2-branch",
                 "swift-corelibs-libdispatch": "swift-4.2-branch",
@@ -319,7 +319,7 @@
                 "swift-argument-parser": "0.3.0",
                 "swift-driver": "main",
                 "swift-syntax": "main",
-                "swift-stress-tester": "master",
+                "swift-stress-tester": "main",
                 "swift-corelibs-xctest": "master",
                 "swift-corelibs-foundation": "master",
                 "swift-corelibs-libdispatch": "master",