Go 1.20 rebuild

• Updated dependencies
• Built with Go 1.20 (various vulnerabilities fixed since 1.19)

Various updates

• Updated all dependencies to latest released version
• Compile with go 1.19

Minor improvements

• Colors should work better on Windows
• Minor lint fixes

Performance and cosmetic improvements

• Colorise actual times if the flight has been delayed
• Add an on-disk cache for FlightInfos objects
• Reformat "Next Info" as "Delayed"
• Just print the time if only today's flights are shown

Thanks to @nbarrientos

v0.3.3

• Colorise actual times if the flight has been delayed (thanks @nbarrientos)

v0.3.2: Fix colors for windows (#7)

• Fix: Colors should work on Windows as well.

v0.3.1

• Use Mobile API
• Show aircraft registration

(again, thanks @nbarrientos )

v0.3.0

• Adapt to the new API and add --all-flights (thanks @nbarrientos)
• Build workflow migrated to GitHub Actions v2