Log Acoustic sync errors for better troubleshooting

[leplatrem]

Ref #575
Ref #569

Currently, we count the number of retries when a record fails to be sync to Acoustic, but we don't log/save the error. This makes troubleshooting impossible.

[leplatrem]

Some errors spotted in the logs...

{"Timestamp": 1678252967754000896, "Type": "ctms.sync", "Logger": "ctms", "Hostname": "ctms-background-6c47f6f8b-zwjwj", "EnvVersion": "2.0", "Severity": 3, "Pid": 1, "Fields": {"msg": "Error executing sync.sync_contact_with_acoustic", "error": "XMLSyntaxError('Space required after the Public Identifier, line 1, column 50')", "traceback": "Uncaught exception:
  File \"/app/ctms/sync.py\", line 69, in sync_contact_with_acoustic
    return self.ctms_to_acoustic.attempt_to_upload_ctms_contact(
      File \"/app/ctms/acoustic_service.py\", line 420, in attempt_to_upload_ctms_contact
    self._add_contact(
      File \"/app/ctms/acoustic_service.py\", line 353, in _add_contact
    self.acoustic.add_recipient(**params)  # Call to Acoustic
  File \"<string>\", line 2, in add_recipient
  File \"/opt/pysetup/.venv/lib/python3.10/site-packages/silverpop/api.py\", line 44, in wrapper
    return self._call(tree)
  File \"/app/ctms/acoustic_service.py\", line 112, in _call
    return self._process_response(response)
  File \"/app/ctms/acoustic_service.py\", line 86, in _process_response
    response = etree.fromstring(resp.text.encode(\"utf-8\"))
  File \"src/lxml/etree.pyx\", line 3257, in lxml.etree.fromstring
  File \"src/lxml/parser.pxi\", line 1916, in lxml.etree._parseMemoryDocument
  File \"src/lxml/parser.pxi\", line 1803, in lxml.etree._parseDoc
  File \"src/lxml/parser.pxi\", line 1144, in lxml.etree._BaseParser._parseDoc
  File \"src/lxml/parser.pxi\", line 618, in lxml.etree._ParserContext._handleParseResultDoc
  File \"src/lxml/parser.pxi\", line 728, in lxml.etree._handleParseResult
  File \"src/lxml/parser.pxi\", line 657, in lxml.etree._raiseParseError
<class 'lxml.etree.XMLSyntaxError'>
XMLSyntaxError('Space required after the Public Identifier, line 1, column 50')
"}}

Traceback (most recent call last):
  File \"/app/ctms/acoustic_service.py\", line 420, in attempt_to_upload_ctms_contact
    self._add_contact(
      File \"/app/ctms/acoustic_service.py\", line 353, in _add_contact
    self.acoustic.add_recipient(**params)  # Call to Acoustic
  File \"<string>\", line 2, in add_recipient
  File \"/opt/pysetup/.venv/lib/python3.10/site-packages/silverpop/api.py\", line 44, in wrapper
    return self._call(tree)
  File \"/app/ctms/acoustic_service.py\", line 112, in _call
    return self._process_response(response)
  File \"/app/ctms/acoustic_service.py\", line 94, in _process_response
    raise SilverpopResponseException(fault.text)
silverpop.api.SilverpopResponseException: Email Address Is Invalid.