chore: version bump after v0.5 (Beta) release (#1180)

Author: devjgm

CMakeLists.txt

@@ -36,7 +36,7 @@ include(EnableCxxExceptions)
 
 # This should be included from the top level CMakeLists file
 set(SPANNER_CLIENT_VERSION_MAJOR 0)
-set(SPANNER_CLIENT_VERSION_MINOR 5)
+set(SPANNER_CLIENT_VERSION_MINOR 6)
 set(SPANNER_CLIENT_VERSION_PATCH 0)
 string(CONCAT SPANNER_CLIENT_VERSION "${SPANNER_CLIENT_VERSION_MAJOR}" "."
               "${SPANNER_CLIENT_VERSION_MINOR}" "."

google/cloud/spanner/version_info.h

@@ -16,7 +16,7 @@
 #define GOOGLE_CLOUD_CPP_SPANNER_GOOGLE_CLOUD_SPANNER_VERSION_INFO_H_
 
 #define SPANNER_CLIENT_VERSION_MAJOR 0
-#define SPANNER_CLIENT_VERSION_MINOR 5
+#define SPANNER_CLIENT_VERSION_MINOR 6
 #define SPANNER_CLIENT_VERSION_PATCH 0
 
 #endif  // GOOGLE_CLOUD_CPP_SPANNER_GOOGLE_CLOUD_SPANNER_VERSION_INFO_H_