Finalize Shaderc v2022.3

Update SPIRV-Tools to v2022.4
diff --git a/CHANGES b/CHANGES
index 2d86d4e..0af1257 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,7 +1,8 @@
 Revision history for Shaderc
 
-v2022.3-dev 2022-08-11
- - Start v2022.3 development
+v2022.3 2022-10-12
+ - #1264: Implement defaults for SPV_EXT_mesh_shader builtins
+ - Update SPIRV-Tools to v2022.4
 
 v2022.2 2022-08-11
  - Require CMake 3.14 or later
diff --git a/DEPS b/DEPS
index 393138d..61e1b72 100644
--- a/DEPS
+++ b/DEPS
@@ -9,7 +9,7 @@
   'googletest_revision': 'd9bb8412d60b993365abb53f00b6dad9b2c01b62',
   're2_revision': 'd2836d1b1c34c4e330a85a1006201db474bf2c8a',
   'spirv_headers_revision': '85a1ed200d50660786c1a88d9166e871123cce39',
-  'spirv_tools_revision': '4a6290b56e1f5ad96cf5a4d0dd56e3d535642363',
+  'spirv_tools_revision': 'eb0a36633d2acf4de82588504f951ad0f2cecacb',
 }
 
 deps = {