DAS-2293: update version/changelog/collections for SPL2SMA

[flamingbear]

Description

Adds SPL2SMA to the smap-l2-gridder

Jira Issue ID

DAS-2293

Local Test Steps

Pull, build and test this branch:

❯ ./bin/build-image && ./bin/build-test && ./bin/run-test

Bump the memory on your docker desktop and in harmony the test case uses just over 20Gi and I have my docker desktop allocated 27Gi and the service 24Gi.
HARMONY_SMAP_L2_GRIDDER_LIMITS_MEMORY=24Gi

Run this request against your Harmony-In-A-Box

http://localhost:3000/C1268429729-EEDTEST/ogc-api-coverages/1.0.0/collections/parameter_vars/coverage/rangeset?forceAsync=true&outputcrs=EPSG%3A4326&granuleId=G1268429743-EEDTEST&format=application%2Fx-netcdf4&variable=all

Download the results to a working directory.

SMAP_L2_SM_A_01058_D_20150413T220200_R13080_001_regridded.nc

Follow the instructions on the Validate-DAS-2293.ipynb notebook (or read the pdf output). Both are attached to the ticket.

PR Acceptance Checklist

• Jira ticket acceptance criteria met.
• CHANGELOG.md updated to include high level summary of PR changes.
• docker/service_version.txt updated if publishing a release.
• [N/A] Tests added/updated and passing.
• [N/A] Documentation updated (if needed).

[owenlittlejohns]

This looks great to me. I ran through all the test instructions, including the validation notebook, and it all made sense. Nice work.

As mentioned in Slack, I also like the renaming of the dropped_variables to more align with vocabulary from earthdata-varinfo.