stager 1.3.0

stager: ^1.3.0 copied to clipboard

• Increase the analyzer dependency version constraint to ^8.2.0.
• Increase the build dependency version constraint to >=3.0.0 <5.0.0.
• Widen the source_gen dependency version constraint to '>=2.0.0 <5.0.0'.

• Widen the source_gen dependency version constraint to '>=1.2.7 <3.0.0'.

• Widen the analyzer dependency version constraint to '>=5.1.0 <8.0.0'.

• Upgrade to newer analyzer.

• Better support for the environment control panel on larger screens.
• Overhaul of environment control system, including custom controls.
• Updated license from MIT to Apache 2.0, changed copyright to Google.

This version includes a complete overhaul of the environment control panel.

• Adds new functionality to environment control panel (device sizes, bold text).
• Scenes can now add their own widgets to the environment control panel.

• Initial version.