[Step 2/3] Added benchmark to CI

[miguelmaso]

Second step after #16

Changelog

• Added new CI
• Moved project dependencies to a narrower scope

[github-actions]

Benchmark Results (Julia v1)

Time benchmarks

	main	d58446c...	main / d58446c...
Constitutive models/Visco-elastic Ψ	0.0475 ± 0.028 ms	0.0488 ± 0.029 ms	0.973 ± 0.81
Constitutive models/Visco-elastic ∂Ψu	0.0619 ± 0.012 ms	0.061 ± 0.003 ms	1.01 ± 0.2
Constitutive models/Visco-elastic ∂Ψuu	0.11 ± 0.019 ms	0.109 ± 0.018 ms	1.01 ± 0.24
Tensor algebra/δδ_λ_2d	30 ± 0 ns	30 ± 0 ns	1 ± 0
Tensor algebra/δδ_μ_2d	30 ± 0 ns	30 ± 0 ns	1 ± 0
time_to_load	2.48 ± 0.015 s	2.48 ± 0.013 s	1 ± 0.0082

Memory benchmarks

	main	d58446c...	main / d58446c...
Constitutive models/Visco-elastic Ψ	1.24 k allocs: 0.0782 MB	1.24 k allocs: 0.0782 MB	1
Constitutive models/Visco-elastic ∂Ψu	1.36 k allocs: 0.0904 MB	1.36 k allocs: 0.0904 MB	1
Constitutive models/Visco-elastic ∂Ψuu	2.31 k allocs: 0.155 MB	2.31 k allocs: 0.155 MB	1
Tensor algebra/δδ_λ_2d	0 allocs: 0 B	0 allocs: 0 B
Tensor algebra/δδ_μ_2d	0 allocs: 0 B	0 allocs: 0 B
time_to_load	0.161 k allocs: 11.9 kB	0.151 k allocs: 11.5 kB	1.04