Ckanext-upload-via-email

update pipelines requirements: pin dependency versions

skip allowed sender rows which fail parsing (1)

* remove special chars from allowed senders from/to emails 4617a5a390e1a3684f0c11df6844760c0e57d52f
* support recursive message parts 5da1aae5079529837db970090b4833f41243633e

* fix add ckan allowed senders resource processor resource id handling
* add default success message email in case of problem
* fix problem with success message recipient and special charts

* fix bug with anonymous senders

* support anonymous senders