Xfail Doggie on Linux (swiftlang#60877) (swiftlang#709)

Author: justice-adams-apple

projects.json

@@ -690,6 +690,14 @@
                 "compatibility": "5.0",
                 "branch": ["release/5.5"],
                 "job": ["source-compat"]
+            },
+            {
+                "issue": "https://github.com/apple/swift/issues/60877",
+                "compatibility": "5.0",
+                "platform": "Linux",
+                "configuration": "release",
+                "branch": ["main"],
+                "job": ["source-compat"]
             }
         ]
       },