Update ACL pin to 45e5b5a4c6aa0e8dadf3c1d08031807eb0a1523b

Signed-off-by: Nikhil Raj <nikhil.raj@arm.com>
Change-Id: Ia54651d6db870769f2b3bb64b04aebd44a4c09b3
diff --git a/scripts/get_compute_library.sh b/scripts/get_compute_library.sh
index 6e24f2b..2af7158 100755
--- a/scripts/get_compute_library.sh
+++ b/scripts/get_compute_library.sh
@@ -10,7 +10,7 @@
 #DEFAULT_CLFRAMEWORKREVISION="branches/arm_compute_23_08" # Release 23.08
 #
 # For pinning to a revision use this:
-DEFAULT_CLFRAMEWORKREVISION="c85edf1a5a3ad0e6906c0e90c18cc0080d71501d" #Make zip and combine variadic | https://review.mlplatform.org/c/ml/ComputeLibrary/+/10227
+DEFAULT_CLFRAMEWORKREVISION="45e5b5a4c6aa0e8dadf3c1d08031807eb0a1523b" #10239: Changes to BoundingBoxTransform to enable fp16 in armv8a multi_isa builds
 
 usage() {
   echo -e "get_compute_library.sh: Clones the Arm Compute Library (ACL) repo from the ML Platform server and checks out