Cobbler updated its version from 3.2.1 to 3.2.2 , so reverting back to a stable commit

Signed-off-by: Shubhangi-dell <shubhangi_srivastava@dell.com>

control_plane/roles/provision_cobbler/files/Dockerfile

@@ -11,7 +11,7 @@ RUN dnf update -y \
     && rm -rf /var/cache/dnf
 
 RUN dnf install -y git
-RUN git clone -b release32  https://github.com/cobbler/cobbler.git
+RUN git clone -b v3.2.1 https://github.com/cobbler/cobbler.git
 RUN cd cobbler/
 
 RUN mkdir /root/omnia