Add "Fixed Time Range Per Band" mode for raster temporal control

[nyalldawson]

This mode can be used when each band in the raster layer is associated with a fixed time range, eg. NetCDF files.

The user can either manually populate a table with begin/end dates for each band in the raster, or build the table using QGIS expressions which return datetime values.

Here's how it looks in action:

Peek.2024-03-19.12-29.mp4

[qgis-bot]

@nyalldawson
This pull request has been tagged as requiring documentation.

A documentation ticket will be opened at https://github.com/qgis/QGIS-Documentation when this PR is merged.

Please update the description (not the comments) with helpful description and screenshot to help the work from documentors.
Also, any commit having [needs-doc] or [Needs Documentation] in will see its message pushed to the issue, so please be as verbose as you can.

Thank you!

[qgis-bot]

@nyalldawson

This pull request has been tagged for the changelog.

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[github-actions]

🪟 Windows builds ready!

Windows builds of this PR are available for testing here. Debug symbols for this build are available here.

(Built from commit 264b33e)

[qgis-bot]

@nyalldawson
A documentation ticket has been opened at qgis/QGIS-Documentation#8981
It is your responsibility to visit this ticket and add as much detail as possible for the documentation team to correctly document this change.
Thank you!