CompatHelper: bump compat for Optim to 1, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the Optim package from ~1.8, ~1.9 to ~1.8, ~1.9, 1.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.

[github-actions]

Benchmark Results

	master	a41c96d...	master/a41c96dc125c09...
search/multithreading	21.5 ± 1.1 s	21.2 ± 1.1 s	1.01
search/serial	33.2 ± 2.2 s	32 ± 1.2 s	1.03
utils/best_of_sample	1.66 ± 1.3 μs	1.8 ± 1.6 μs	0.922
utils/check_constraints_x10	11.9 ± 3.2 μs	12 ± 3.2 μs	0.991
utils/compute_complexity_x10/Float64	2.09 ± 0.11 μs	2.08 ± 0.12 μs	1
utils/compute_complexity_x10/Int64	2.06 ± 0.12 μs	2.04 ± 0.11 μs	1.01
utils/compute_complexity_x10/nothing	1.41 ± 0.11 μs	1.39 ± 0.1 μs	1.02
utils/insert_random_op_x10	5.75 ± 1.9 μs	5.88 ± 1.9 μs	0.978
utils/next_generation_x100	0.35 ± 0.13 ms	0.437 ± 0.12 ms	0.801
utils/optimize_constants_x10	0.035 ± 0.0078 s	0.0358 ± 0.0084 s	0.978
utils/randomly_rotate_tree_x10	5.33 ± 0.61 μs	5.29 ± 0.61 μs	1.01
time_to_load	1.75 ± 0.0079 s	1.75 ± 0.0024 s	1

Benchmark Plots

A plot of the benchmark results have been uploaded as an artifact to the workflow run for this PR.
Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).

[coveralls]

Pull Request Test Coverage Report for Build 11930414380

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.03%) to 95.462%

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Files with Coverage Reduction	New Missed Lines	%
src/AdaptiveParsimony.jl	1	96.88%

Totals
Change from base Build 11775142239:	-0.03%
Covered Lines:	3113
Relevant Lines:	3261

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💛 - Coveralls