v0.4 release

Package version (main branch)

version: 0.4

(feature) Cluster detection with DBSCAN,
(feature) Cluster aggregation,
(feature) Gridding algorithm,
(feature) Grid aggregation,
(feature) Removed connections to external APIs, and requests package from requirements,
(feature) The new package with datasets has been created: https://pypi.org/project/pyinterpolate-datasets/2023.0.0/
(feature) Theoretical Variogram calculates not Spatial Dependence Index,
(debugging) rang key in theoretical semivariogram model renamed to range,
(feature) Indicator Kriging.