Maintenance and removal of some options

In short:

• Dropped support for scala 2.12 and java 7.
• maintenance: dependency updates, more cross-builds, expanded ci; cleanup most compile warnings.

What's Changed

• Update sbt to 1.7.2 by @scala-steward in #182
• Update sbt-scoverage to 2.0.5 by @scala-steward in #183
• Update scribe to 3.10.4 by @scala-steward in #184
• Update sbt-scalafmt to 2.5.0 by @scala-steward in #193
• Update sbt to 1.7.3 by @scala-steward in #189
• Update scalafmt-core to 3.6.1 by @scala-steward in #190
• Update scribe to 3.10.6 by @scala-steward in #202
• Update gson to 2.10.1 by @scala-steward in #201
• Update sbt to 1.8.2 by @scala-steward in #203
• Update scalatest to 3.2.15 by @scala-steward in #204
• Update pprint to 0.8.1 by @scala-steward in #197
• Update scalafmt-core to 3.7.0 by @scala-steward in #205
• Update scribe to 3.10.7 by @scala-steward in #206
• Update scalafmt-core to 3.7.3 by @scala-steward in #215
• Update scalafmt-core to 3.7.5 by @scala-steward in #230
• Update sbt-scoverage to 2.0.8 by @scala-steward in #228
• Update scribe to 3.11.5 by @scala-steward in #226
• Update scalatest to 3.2.16 by @scala-steward in #224
• Update sbt to 1.8.3 by @scala-steward in #223
• Update sbt-sonatype to 3.9.21 by @scala-steward in #225
• Update scala3-library to 3.2.2 by @scala-steward in #210
• Update scalafmt-core to 3.7.14 by @scala-steward in #249
• Update sbt to 1.9.6 by @scala-steward in #255
• Update scalatest to 3.2.17 by @scala-steward in #251
• Update sbt-scalafmt to 2.5.2 by @scala-steward in #248
• Update sbt-scoverage to 2.0.9 by @scala-steward in #252
• Add gradle plugin info in README.md by @aleris in #266
• Update scalatest to 3.2.19 by @scala-steward in #280
• Update sbt-sonatype to 3.11.3 by @scala-steward in #286
• Update sbt-coveralls to 1.3.13 by @scala-steward in #283
• Update gson to 2.11.0 by @scala-steward in #279
• Update sbt to 1.9.9 by @scala-steward in #269
• Update scalafmt-core to 3.7.17 by @scala-steward in #262
• Update sbt-assembly to 2.2.0 by @scala-steward in #273
• Update sbt-buildinfo to 0.12.0 by @scala-steward in #274
• Update typesafe:config to 1.4.3 by @scala-steward in #256

New Contributors

• @aleris made their first contribution in #266

Full Changelog: v1.0.2...v1.1.1