210608 Ruby and gem updates
- Ruby update to 3.0.1 #97
- Bump simplecov to 0.21.2 #71
- Bump pg to 1.2.3 #72
- Bump minitest to 5.14.4 #73
- Bump dotenv to 2.7.6 #74
- Bump eventmachine to 1.2.7 #83
- Bump mina to 1.2.3 #86
- Bump pry to 0.14.1 #87
- Bump simpleidn to 0.2.1 #89
- Bump dameons to 1.4.0 #91
- Bump activerecord to 6.1.3.2 #92
- Bump rubocop to 1.16.0 #96
- CI task trigger cleanup #95