jammy-amd64-tf-m-build: Add libclang dependency

Add libclang python package to requirements_python3

Change-Id: Iad84e5287e3089e8b52daf64afd755e302373443
Signed-off-by: Raef Coles <raef.coles@arm.com>
diff --git a/jammy-amd64-tf-m-build/requirements_python3.txt b/jammy-amd64-tf-m-build/requirements_python3.txt
index e410357..6b98317 100755
--- a/jammy-amd64-tf-m-build/requirements_python3.txt
+++ b/jammy-amd64-tf-m-build/requirements_python3.txt
@@ -19,3 +19,4 @@
 kconfiglib==14.1.0
 networkx==2.5.1
 tuxsuite==1.38.2
+libclang~=18.1.1