[lldb] Check for both Lua 5.3 and 5.4 error messages in the tests.

Author: JDevlieghere

lldb/test/Shell/ScriptInterpreter/Lua/breakpoint_callback.test

@@ -10,4 +10,4 @@ run
 # CHECK: 123
 breakpoint command add -s lua
 789_nil
-# CHECK: unexpected symbol near '789'
+# CHECK: {{unexpected symbol near '789'|malformed number near '789_'}}

lldb/test/Shell/ScriptInterpreter/Lua/fail_breakpoint_oneline.test

@@ -2,4 +2,4 @@
 # RUN: %lldb -s %s --script-language lua 2>&1 | FileCheck %s
 b main
 breakpoint command add -s lua -o '1234_foo'
-# CHECK: error: {{.*}} unexpected symbol near '1234'
+# CHECK: error: {{.*}} {{unexpected symbol near '1234'|malformed number near '1234_'}}