The Gitlab server is succesfully updated to version 14.4.0

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Speedup of coherence

Achieved using:
- chunks of combinations (reduces memory storage)
- component indicies (avoid mask and unues combinations)
- precomputation of constants
- possibility to compute in np.float32 or np.float64
1 job for f/coherence_speedup in 1 minute and 10 seconds (queued for 1 second)
Status Name Job ID Coverage
passed test_pyconturb #31710