fix(deps): update dependency coveralls to v4

Author: renovate[bot]

pyproject.toml

@@ -17,7 +17,7 @@ repository = "https://github.com/cemsbv/pygef"
 
 [project.optional-dependencies]
 plot = ["matplotlib>=3.6,<4"]
-test = ["coveralls>=3,<4", "pytest>=9,<10"]
+test = ["coveralls>=4,<5", "pytest>=9,<10"]
 docs = [
   "Sphinx",
   "sphinx-autodoc-typehints",

requirements.txt

@@ -39,7 +39,7 @@ contourpy==1.3.3
     # via matplotlib
 coverage==6.5.0
     # via coveralls
-coveralls==3.3.1
+coveralls==4.0.2
     # via pygef (pyproject.toml)
 cycler==0.12.1
     # via matplotlib