[Merged by Bors] - chore: add two fun_prop tests

[ldct]

fun_prop can prove that analytic functions are meromorphic, and the composition of a meromorphic and an analytic function is meromorphic (this is #37384). Add these as test cases to prevent regressions.

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[github-actions]

PR summary 6ef8cc2731

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

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Declarations diff

No declarations were harmed in the making of this PR! 🐙

You can run this locally as follows

## summary with just the declaration names:
./scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh contains some details about this script.

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No changes to technical debt.

You can run this locally as

./scripts/reporting/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

[grunweg]

Sure, why not?
bors merge

[mathlib-bors]

Build failed:

• ci (staging) / Post-Build Step

Fix if necessary, and then someone with permission can run bors r+ or bors retry.

[grunweg]

Looks unrelated to this PR:
bors retry

[mathlib-bors]

Pull request successfully merged into master.

Build succeeded:

• ci (staging) / Lint style
• ci (staging) / Post-CI job
• ci (staging) / Build
• ci (staging) / Post-Build Step