update SSP3 settings in scenario_config.csv and add first CES paremeter for SSP3

[LaviniaBaumstark]

Purpose of this PR

• update SSP3 scenario settings in scenario_config.csv and
• add first CES parameter and gdx files for inut data 6.97 for SSP3, calibration runs: /p/tmp/lavinia/MO/test_SSP3calibration_2024_10_07/remind/output/SSP3-NPi-calibrate_2024-10-07_17.57.23

Type of change

• Minor change (default scenarios show only small differences)

Checklist:

• My code follows the coding etiquette
• I performed a self-review of my own code
• All automated model tests pass (FAIL 0 in the output of make test)

Further information (optional):

• Test runs are here:
• Comparison of results (what changes by this PR?):

[laurinks]

Thanks for adding the SSP3 scenarios. No comments as this is what we discussed yesterday. Things will likely evolve, but looks good for a first round of runs.

[fpiontek]

I would call the scenario rollback (not roleback) ;-) Looks good otherwise for a first test, but I have not really thought through all the settings again yet.

[LaviniaBaumstark]

we will need to set cm_LU_emi_scen to SSP3 later, there were still some data missing