Support `build_explain_clause(options = [])`

[yahonda]

Steps to reproduce

$ bundle exec rspec spec/active_record/connection_adapters/oracle_enhanced_adapter_spec.rb:356

Expected behavior

It should pass without any warnings.

Actual behavior

It raises the DEPRECATION WARNING: The current database adapter, OracleEnhanced, does not support explain options. To remove this warning, the adapter must implement build_explain_clause(options = []). (called from block (3 levels) in <top (required)> at /home/yahonda/src/github.com/rsim/oracle-enhanced/spec/active_record/connection_adapters/oracle_enhanced_adapter_spec.rb:356) warning.

$ bundle exec rspec spec/active_record/connection_adapters/oracle_enhanced_adapter_spec.rb:356
==> Loading config from ENV or use default
==> Running specs with ruby version 3.3.5
/home/yahonda/.rbenv/versions/3.3.5/lib/ruby/gems/3.3.0/bundler/gems/rails-cefd9e9942c5/activesupport/lib/active_support/logger_silence.rb:5: warning: logger was loaded from the standard library, but will no longer be part of the default gems starting from Ruby 3.5.0.
You can add logger to your Gemfile or gemspec to silence this warning.
==> Effective ActiveRecord version 7.1.4
Run options: include {:locations=>{"./spec/active_record/connection_adapters/oracle_enhanced_adapter_spec.rb"=>[356]}}
DEPRECATION WARNING: The current database adapter, OracleEnhanced, does not support explain options. To remove this warning, the adapter must implement `build_explain_clause(options = [])`. (called from block (3 levels) in <top (required)> at /home/yahonda/src/github.com/rsim/oracle-enhanced/spec/active_record/connection_adapters/oracle_enhanced_adapter_spec.rb:356)
.

Finished in 0.79933 seconds (files took 0.53922 seconds to load)
1 example, 0 failures

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System configuration

Rails version: 7.1.4

Oracle enhanced adapter version: master branch

Ruby version: ruby 3.3.5 (2024-09-03 revision ef084cc8f4) [x86_64-linux]

Oracle Database version: Oracle Database 23ai Free Release 23.0.0.0.0 - Develop, Learn, and Run for Free