v5.0.0: MoH data model 3.1

MoH data model 3.1, plus small changes to server, logging, auth.

What's Changed

• Stable catchup by @daisieh in #204
• DIG-1584: remove all the unused discovery endpoints by @SonQBChau in #199
• DIG-1439: make secret key in container by @daisieh in #206
• DIG-1582: Implement overview thresholds & DIG-1533: Change cancer_type to primary_site by @SonQBChau in #205
• Do not log service-info (prevent health check flooding) by @OrdiNeu in #207
• Don't pass in OPA_SECRET by @daisieh in #208
• DIG-1381: Switch katsu from uwsgi to Gunicorn by @SonQBChau in #209
• allow 'single quote' pr titles by @mshadbolt in #230
• DIG-1669: Automate incrementing schema version when schemas get updated by @SonQBChau in #235
• DIG-1600 & DIG-1646: Improve settings by @SonQBChau in #210
• DIG-1635 : Allow ingest to be completed in batches per object by @SonQBChau in #237
• DIG-1663: Allow program curators to ingest/delete by @SonQBChau in #238
• Manually update katsu's OpenAPI spec to v3.0 data model by @OrdiNeu in #239
• Optimization: only check allowed for unique programs by @daisieh in #240
• update postgres instruction by @SonQBChau in #249
• Update katsu to the v3.0 data model part 1 by @SonQBChau in #246
• Update katsu to the v3.0 data model part 2 by @SonQBChau in #247
• Update katsu to the v3.0 data model part 3 by @SonQBChau in #248
• Fix test errors by @SonQBChau in #251
• DIG-1687: Generate synthetic data with factory boy by @mshadbolt in #250
• fix local logging by @SonQBChau in #253
• DIG-1719: switch to candigv2-logging module by @daisieh in #252
• Add warnings to not run script in production by @mshadbolt in #254
• Upgrade to Model 3 by @SonQBChau in #255
• rename db by @SonQBChau in #256
• Update dev.txt by @daisieh in #257
• DIG-1720: add service token auth for ingest by @daisieh in #258
• DIG-1764: Update katsu permissible values for model 3.1 by @mshadbolt in #259
• Bump authx version by @OrdiNeu in #260
• DIG-1782: Add _not_available for all numeric fields by @SonQBChau in #261
• fix available capitalisation by @mshadbolt in #262
• DIG-1768 : update factories, synth data by @mshadbolt in #263
• add schema to static folder by @SonQBChau in #265
• Performance improvement: Combine multiple queries that are commonly performed together into one endpoint by @OrdiNeu in #266
• Bugfix/followup naming by @SonQBChau in #267
• add na fields for pr/er by @mshadbolt in #268
• Some minor updates to synth data by @mshadbolt in #269
• v5.0.0: MoH data model 3.1 by @daisieh in #270

Full Changelog: v4.2.2...v5.0.0