build.sh/patch_osbuild: point to python3.14 site-packages

Fedora 43 now includes Python 3.14, so python3-osbuild installs into
/usr/lib/python3.14/site-packages.

https://fedoraproject.org/wiki/Changes/Python3.14

Author: marmijo

build.sh

@@ -198,7 +198,7 @@ patch_osbuild() {
     # To make it easier to apply patches we'll move around the osbuild
     # code on the system first:
     rmdir /usr/lib/osbuild/osbuild
-    mv /usr/lib/python3.13/site-packages/osbuild /usr/lib/osbuild/
+    mv /usr/lib/python3.14/site-packages/osbuild /usr/lib/osbuild/
     mkdir -p /usr/lib/osbuild/tools
     mv /usr/bin/osbuild-mpp /usr/lib/osbuild/tools/