(PE-37635) adjust logging of error to error level, add info logging

This adjusts the logging of failures during bulk cert signing to error
so they end up in the standard log. Additionally, this adds info level
logging of the subject name for a newly signed cert which is done
on the old endpoint.

src/clj/puppetlabs/puppetserver/certificate_authority.clj

@@ -2465,10 +2465,11 @@
         (write-cert-to-inventory-unlocked! signed-cert ca-settings)
         (write-cert signed-cert (path-to-cert signeddir subject))
         (delete-certificate-request! ca-settings subject)
+        (log/info (i18n/trs "Signed CSR for {0}" subject))
         ;; success case, add the host to the set of signed results
         :signed))
     (catch Throwable e
-      (log/debug e (i18n/trs "Failed in bulk signing for entry {0}" subject))
+      (log/error e (i18n/trs "Failed in bulk signing for entry {0}" subject))
       ;; failure case, add the host to the set of not signed results
       :signing-errors)))