Update cabal-install-solver synopsis (fix #10183) (backport #10192)

[mergify]

Template B: This PR does not modify behaviour or interface

E.g. the PR only touches documentation or tests, does refactorings, etc.

Include the following checklist in your PR:

• Patches conform to the coding conventions.
• [NO] Is this a PR that fixes CI? If so, it will need to be backported to older cabal release branches (ask maintainers for directions).

---

This is an automatic backport of pull request #10192 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of 5f766d2 has failed:

On branch mergify/bp/3.12/pr-10192
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	both modified:   cabal-install-solver/cabal-install-solver.cabal

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