Update sqlite3 requirement from ~> 1.4 to ~> 2.1

Updates the requirements on [sqlite3](https://github.com/sparklemotion/sqlite3-ruby) to permit the latest version.
- [Release notes](https://github.com/sparklemotion/sqlite3-ruby/releases)
- [Changelog](https://github.com/sparklemotion/sqlite3-ruby/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/sqlite3-ruby@v1.4.0...v2.1.0)

---
updated-dependencies:
- dependency-name: sqlite3
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile

@@ -23,7 +23,7 @@ gem "rubocop-rspec", require: false
 gem "bcrypt", "~> 3.1", require: false
 
 gem "activerecord-jdbcsqlite3-adapter", platform: :jruby
-gem "sqlite3", "~> 1.4", platform: [:ruby, :mswin, :mingw, :x64_mingw]
+gem "sqlite3", "~> 2.1", platform: [:ruby, :mswin, :mingw, :x64_mingw]
 
 gem "tzinfo-data", platforms: %i[mingw mswin x64_mingw]
 gem "timecop"