Add an extension for CliqueTrees.jl #5819

Job	Run time
Julia 1 - windows-latest-x64 - Bridges/General	10m 30s
Julia 1 - ubuntu-latest-x86 - General;Benchmarks;FileFormats;Nonlinear	8m 12s
Julia nightly - ubuntu-latest-x64 - General;Benchmarks;FileFormats;Nonlinear	5m 49s
Julia 1 - ubuntu-latest-x86 - Bridges/General	12m 19s
Julia 1 - windows-latest-x64 - Utilities	9m 0s
Julia 1 - ubuntu-latest-x86 - Utilities	12m 24s
Julia 1.10 - ubuntu-latest-x64 - Utilities	11m 27s
Julia 1.10 - ubuntu-latest-x64 - Bridges/Objective;Bridges/Variable	2m 53s
Julia 1 - ubuntu-latest-x86 - Test	12m 20s
Julia 1 - windows-latest-x64 - Bridges/Objective;Bridges/Variable	6m 21s
Julia 1.10 - ubuntu-latest-x64 - General;Benchmarks;FileFormats;Nonlinear	4m 14s
Julia 1 - ubuntu-latest-x86 - Bridges/Constraint	12m 23s
Julia nightly - ubuntu-latest-x64 - Bridges/Objective;Bridges/Variable	6m 14s
Julia nightly - ubuntu-latest-x64 - Utilities	12m 23s
Julia nightly - ubuntu-latest-x64 - Bridges/Constraint	12m 22s
Julia 1.10 - ubuntu-latest-x64 - Test	8m 2s
Julia 1 - windows-latest-x64 - Test	9m 33s
Julia 1 - windows-latest-x64 - General;Benchmarks;FileFormats;Nonlinear	6m 36s
Julia nightly - ubuntu-latest-x64 - Bridges/General	12m 17s
Julia nightly - ubuntu-latest-x64 - Test	12m 18s
Julia 1.10 - ubuntu-latest-x64 - Bridges/Constraint	8m 1s
Julia 1 - windows-latest-x64 - Bridges/Constraint	5m 35s
Julia 1 - ubuntu-latest-x86 - Bridges/Objective;Bridges/Variable	5m 47s
Julia 1.10 - ubuntu-latest-x64 - Bridges/General	11m 45s
	3h 38m 45s

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