Fix broken JEDI container builds after updating ESMF and MAPL to 8.6.1/2.46.2

[climbfuji]

Summary

Update configs/containers/specs/jedi-ci.yaml: remove harcoded versions for gftl-shared (and unrelated, but needed for one of the next PRs #1138, for nlohmann-json-* ).

Testing

CI container builds (run via workflow dispatch):

• [x] clang-mpich - https://github.com/JCSDA/spack-stack/actions/runs/9602152092/job/26482348472
• [x] gcc-openmpi - https://github.com/JCSDA/spack-stack/actions/runs/9605347366/job/26492772806
• [x] intel-impi - https://github.com/JCSDA/spack-stack/actions/runs/9607351473/job/26498364779

Applications affected

JCSDA CI applications

Systems affected

JCSDA CI

Dependencies

n/a

Issue(s) addressed

Resolves #1152

Checklist

• [x] This PR addresses one issue/problem/enhancement, or has a very good reason for not doing so.
• [x] These changes have been tested on the affected systems and applications.
• [ ] All dependency PRs/issues have been resolved and this PR can be merged.

[climbfuji]

@AlexanderRichert-NOAA FYI we'll need to make changes along those lines for your packages.yaml-late-spring-cleanup PR