Update sqlite3 requirement from ~> 1.4 to ~> 2.0

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...v2.0.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile

@@ -21,7 +21,7 @@ activerecord_version =
   nil
 gem('activerecord', *activerecord_version)
 platform(:mri, :truffleruby) do
-  gem 'sqlite3', '~> 1.4' # loosen this in accordance with active_record/connection_adapters/sqlite3_adapter.rb
+  gem 'sqlite3', '~> 2.0' # loosen this in accordance with active_record/connection_adapters/sqlite3_adapter.rb
 end
 platform(:jruby) do
   gem 'activerecord-jdbcsqlite3-adapter'