send mine always (not only on change)

First run is made during salt-master cloud-init and thus it is onchanges
is not suitable here because ca.crt file is already generated.
diff --git a/salt/minion/ca.sls b/salt/minion/ca.sls
index 3092ab6..0a7e61a 100644
--- a/salt/minion/ca.sls
+++ b/salt/minion/ca.sls
@@ -61,7 +61,7 @@
   - func: x509.get_pem_entries
   - kwargs:
       glob_path: /etc/pki/ca/{{ ca_name }}/ca.crt
-  - onchanges:
+  - require:
     - x509: /etc/pki/ca/{{ ca_name }}/ca.crt
 
 {%- endfor %}