Release 1.7.0

• Bump ruby from 2.6.9 to 3.0.3 (@brotandgames)
• Bump rails from 6.1.4.7 to 6.1.5 (@brotandgames)
• Remove confirmation on delete since Rails doesn't support it anymore (@brotandgames)
• Add CIAO_LOG_LEVEL environment variable, default: WARN (@brotandgames)
• Add gcompat to Dockerfile because of nokogiri issue on arm64 #129 (@brotandgames)
• Switch from Webpacker 5 to jsbundling-rails with webpack (@brotandgames)
• Security and dependency updates - more details (@brotandgames)