Fix minimum deployment versions for Span back-deployment dylib

Author: DougGregor

stdlib/toolchain/CompatibilitySpan/CMakeLists.txt

@@ -21,12 +21,12 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND DEFINED SWIFT_STDLIB_LIBRARY_BUILD_TY
 
     NO_SWIFTMODULE
 
-    DEPLOYMENT_VERSION_OSX ${COMPATIBILITY_MINIMUM_DEPLOYMENT_VERSION_OSX}
-    DEPLOYMENT_VERSION_IOS ${COMPATIBILITY_MINIMUM_DEPLOYMENT_VERSION_IOS}
-    DEPLOYMENT_VERSION_TVOS ${COMPATIBILITY_MINIMUM_DEPLOYMENT_VERSION_TVOS}
-    DEPLOYMENT_VERSION_WATCHOS ${COMPATIBILITY_MINIMUM_DEPLOYMENT_VERSION_WATCHOS}
-    DEPLOYMENT_VERSION_XROS ${COMPATIBILITY_MINIMUM_DEPLOYMENT_VERSION_XROS}
-    DEPLOYMENT_VERSION_MACCATALYST ${COMPATIBILITY_MINIMUM_DEPLOYMENT_VERSION_MACCATALYST}
+    DEPLOYMENT_VERSION_OSX "10.14.4"
+    DEPLOYMENT_VERSION_IOS "12.2"
+    DEPLOYMENT_VERSION_TVOS "12.2"
+    DEPLOYMENT_VERSION_WATCHOS "5.2"
+    DEPLOYMENT_VERSION_XROS "1.0"
+    DEPLOYMENT_VERSION_MACCATALYST "13.1"
 
     MACCATALYST_BUILD_FLAVOR "zippered"