github-ci: check for suricata-update example configuration files

Check that the Suricata-Update example configuration files are
installed.

(cherry picked from commit 6d7923c80b)

.github/workflows/builds.yml

@@ -233,6 +233,14 @@ jobs:
       - run: make install
       - run: suricatasc -h
       - run: suricata-update -V
+      - name: Check if Suricata-Update example configuration files are installed
+        run: |
+          test -e /usr/local/lib/suricata/python/suricata/update/configs/disable.conf
+          test -e /usr/local/lib/suricata/python/suricata/update/configs/drop.conf
+          test -e /usr/local/lib/suricata/python/suricata/update/configs/enable.conf
+          test -e /usr/local/lib/suricata/python/suricata/update/configs/modify.conf
+          test -e /usr/local/lib/suricata/python/suricata/update/configs/threshold.in
+          test -e /usr/local/lib/suricata/python/suricata/update/configs/update.yaml
 
   # This build also creates the distribution package that some other builds
   # depend on.