[MNT] [Dependabot](deps-dev): Update scikit-base requirement from <0.…

…7.0,>=0.6.1 to >=0.6.1,<0.8.0 (#169)

Updates the requirements on
[scikit-base](https://github.com/sktime/skbase) to permit the latest
version.

pyproject.toml

@@ -44,7 +44,7 @@ dependencies = [
     "numpy>=1.21.0,<1.27",
     "pandas>=1.1.0,<2.2.0",
     "packaging",
-    "scikit-base>=0.6.1,<0.7.0",
+    "scikit-base>=0.6.1,<0.8.0",
     "scikit-learn>=0.24.0,<1.4.0",
     "scipy<2.0.0,>=1.2.0",
 ]