Bump the version number from 1.21 to 1.22.

PiperOrigin-RevId: 246558281
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 97953ab..1409c06 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 cmake_minimum_required(VERSION 3.9)
 # Keep the version below in sync with the one in db.h
-project(leveldb VERSION 1.21.0 LANGUAGES C CXX)
+project(leveldb VERSION 1.22.0 LANGUAGES C CXX)
 
 # This project can use C11, but will gracefully decay down to C89.
 set(CMAKE_C_STANDARD 11)
diff --git a/include/leveldb/db.h b/include/leveldb/db.h
index e52a5b6..ea3d9e5 100644
--- a/include/leveldb/db.h
+++ b/include/leveldb/db.h
@@ -16,7 +16,7 @@
 
 // Update CMakeLists.txt if you change these
 static const int kMajorVersion = 1;
-static const int kMinorVersion = 21;
+static const int kMinorVersion = 22;
 
 struct Options;
 struct ReadOptions;