Update default Xcode to 11.7
@@ -522,7 +522,7 @@ DEFAULT_PLATFORM = "ubuntu1804"
# release platform for all Linux downstream tests.
LINUX_BINARY_PLATFORM = "centos7"
-DEFAULT_XCODE_VERSION = "11.1"
+DEFAULT_XCODE_VERSION = "11.7"
XCODE_VERSION_REGEX = re.compile(r"^\d+\.\d+(\.\d+)?$")
XCODE_VERSION_OVERRIDES = {
"10.2.1": "10.3",
