Release 4.0.0

What's Changed

• Feature/grails5 by @sughics in #185
• remove null values in list when a contact is not publised for public … by @sughics in #198
• Fixes and closes #200, #199 and #201 by @djtfmartin in #202
• Update basisOfRecord and type lists by @adam-collins in #205
• updating biocache service api call from deprecated /occurrence to /oc… by @sughics in #209
• Fix for repatriation error #210 by @djtfmartin in #211
• Bugfix/issue #206 providermap error by @sughics in #212
• PR for 4.0.0 release by @sughics in #197

Full Changelog: 3.2.2...4.0.0