[vcpkg] Enhance detection of AV messing with builds (#33279)

The current error message matching attempt is too strict as the error
message occasionally spells out the extension (i.e. `mt.exe` instead of
`mt`).

Co-authored-by: Monica <liuyumei01@beyondsoft.com>

scripts/cmake/vcpkg_execute_build_process.cmake

@@ -86,7 +86,7 @@ function(vcpkg_execute_build_process)
                     RESULT_VARIABLE error_code
                 )
             endif()
-        elseif(all_contents MATCHES "mt : general error c101008d: ")
+        elseif(all_contents MATCHES "mt(\\.exe)? : general error c101008d: ")
             # Antivirus workaround - occasionally files are locked and cause mt.exe to fail
             message(STATUS "mt.exe has failed. This may be the result of anti-virus. Disabling anti-virus on the buildtree folder may improve build speed")
             foreach(iteration RANGE 1 3)