v1.4.0

StatsFuns v1.4.0

Diff since v1.3.2

Merged pull requests:

• Bump codecov/codecov-action from 4 to 5 (#172) (@dependabot[bot])
• add signrank distribution (#173) (@ArnoStrouwen)
• add wilcox distribution (#174) (@ArnoStrouwen)
• [skip ci] add signrank to readme (#177) (@ArnoStrouwen)
• Release wilcox and signrank distributions (#178) (@devmotion)