Add 'requests' dependency to 'pyproject.toml'.

pyproject.toml

@@ -38,6 +38,7 @@ classifiers = [
 dependencies = [
     "cryptography >= 35.0",
     "pandas >= 1.2",
+    "requests ~= 2.18",
     "scikit-learn >= 1.0",
     "tomli >= 2.0 ; python_version < '3.11'",
     "typing_extensions >= 4.0",
@@ -130,4 +131,4 @@ packages = ["declearn"]
 declearn = ["py.typed"]
 
 [project.scripts]
-declearn-quickrun = "declearn.quickrun.run:main"
\ No newline at end of file
+declearn-quickrun = "declearn.quickrun.run:main"