Update Engine revision to 45c5586f2a9583d9511b742703529a92bf8f9db5 for beta release 3.7.0-1.5.pre (#118927)

diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 1b228a7..3f6e981 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-ac5c83dd5ff1ddfae2f642401f67db550428aee3
+45c5586f2a9583d9511b742703529a92bf8f9db5