[NFC][SM 6.9 Release] Missed a version string. (#8062)

I missed updating a version string in version.inc. gen_version.py
overwrites this anyways, so it's not a big issue. But best to keep this
clean.

Author: alsepkow

utils/version/version.inc

@@ -49,7 +49,7 @@
 #ifdef RC_PRODUCT_VERSION
 #undef RC_PRODUCT_VERSION
 #endif
-#define RC_PRODUCT_VERSION "1.8.2505.0"
+#define RC_PRODUCT_VERSION "1.9.2602.0"
 
 #ifdef HLSL_TOOL_NAME
 #undef HLSL_TOOL_NAME