Add warning for not existing CA bundle when updating
Add warning for not existing CA bundle when updating

For newer releases we shall use an integrity check. But that's a good alternative for now.

IljaN/core,pmattern/server,nextcloud/server,cernbox/core,endsguy/server,xx621998xx/server,endsguy/server,andreas-p/nextcloud-server,nextcloud/server,whitekiba/server,pixelipo/server,michaelletzgus/nextcloud-server,sharidas/core,Ardinis/server,Ardinis/server,sharidas/core,Ardinis/server,pmattern/server,pollopolea/core,jbicha/server,whitekiba/server,nextcloud/server,IljaN/core,xx621998xx/server,cernbox/core,pmattern/server,cernbox/core,cernbox/core,lrytz/core,whitekiba/server,andreas-p/nextcloud-server,xx621998xx/server,cernbox/core,bluelml/core,bluelml/core,pixelipo/server,sharidas/core,nextcloud/server,endsguy/server,owncloud/core,michaelletzgus/nextcloud-server,endsguy/server,jbicha/server,jbicha/server,owncloud/core,michaelletzgus/nextcloud-server,andreas-p/nextcloud-server,pmattern/server,IljaN/core,andreas-p/nextcloud-server,lrytz/core,michaelletzgus/nextcloud-server,andreas-p/nextcloud-server,bluelml/core,pixelipo/server,pollopolea/core,lrytz/core,lrytz/core,xx621998xx/server,sharidas/core,lrytz/core,phil-davis/core,Ardinis/server,IljaN/core,owncloud/core,pollopolea/core,jbicha/server,owncloud/core,whitekiba/server,IljaN/core,pollopolea/core,owncloud/core,bluelml/core,pmattern/server,sharidas/core,pixelipo/server,whitekiba/server,pixelipo/server,Ardinis/server,bluelml/core,endsguy/server,pollopolea/core,jbicha/server,xx621998xx/server