dnf-automatic / builders: don't allow dnf-automatic to upgrade git for now

git 2.35.3 broke buildSRPMFromSCM tasks, we want to downgrade back to
2.35.1 for now until it's fixed in koji.
See https://pagure.io/koji/issue/3351 and
https://pagure.io/fedora-infrastructure/issue/10677

Signed-off-by: Kevin Fenzi <kevin@scrye.com>

roles/dnf-automatic/templates/automatic.conf.j2

@@ -54,3 +54,9 @@ debuglevel = 1
 # https://bz.apache.org/bugzilla/show_bug.cgi?id=65769
 exclude = httpd*
 {% endif %}
+{% if inventory_hostname.startswith('build') %}
+# exclude git for now as it's breaking koji
+# https://pagure.io/fedora-infrastructure/issue/10677
+# https://pagure.io/koji/issue/3351
+exclude = git*
+{% endif %}