Extract method refactoring for Rails::Server#start
Move interrupt information to print_boot_information method
Fix AS::TimeWithZone#as_json docs

According to 28ab79d7c579fa1d76ac868be02b38b02818428a
Merge pull request #12771 from bogdan/patch-1

Fix AS::TimeWithZone#as_json docs [ci skip]
Merge pull request #12787 from notalex/extract_method

Extract method refactoring for Rails::Server#start
Aesthetics
Standardize all JSON encoded times to use 3 decimal fractional seconds
Merge pull request #12228 from ersatzryan/standardize-json-time-formats

Standardize all JSON encoded times to use 3 decimal fractional seconds