Add Bouhadjar sequence learning network tutorial

[clinssen]

Should be merged after #1027.

• Add the following notes:

  lambda_plus is increasing facilitation: too many daps, decrease facilitation!
  lambda_minus is increasing depression: too many daps, increase depression!
  if you see overlap, increase lambda_h a bit
  

• eliminate the use of the "parameters" Python package

[github-actions]

Bencher Report

Branch	1026/merge
Testbed	ubuntu-latest

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Benchmark	Latency	nanoseconds (ns)
tests/nest_continuous_benchmarking/test_nest_continuous_benchmarking.py::TestNESTContinuousBenchmarking::test_stdp_nn_synapse	📈 view plot ⚠️ NO THRESHOLD	3,977,769,933.80

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[clinssen]

It seems as though the second line in the following snippet from the notebook causes an extreme memory consumption:

connections = nest.GetConnections(synapse_model=...)
connections.set({'Wmin': connections.weight})

There are around 165000 connections.