Changed version number to 9.6

R=hablich@chromium.org, vahl@chromium.org

Change-Id: Ibec33a0f0299cea3e215aebfcf0cc873356f795e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3149461
Auto-Submit: Liviu Rau <liviurau@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Lutz Vahl <vahl@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76750}

include/v8-version.h

@@ -9,7 +9,7 @@
 // NOTE these macros are used by some of the tool scripts and the build
 // system so their names cannot be changed without changing the scripts.
 #define V8_MAJOR_VERSION 9
-#define V8_MINOR_VERSION 5
+#define V8_MINOR_VERSION 6
 #define V8_BUILD_NUMBER 0
 #define V8_PATCH_LEVEL 0