[MNT] [Dependabot](deps-dev): Update holidays requirement from <0.34,…

…>=0.29 to >=0.29,<0.35 (#5342)

Updates the requirements on
[holidays](https://github.com/vacanza/python-holidays) to permit the
latest version.

pyproject.toml

@@ -97,7 +97,7 @@ regression = [
 transformations = [
     "esig>=0.9.7,<0.10",
     "filterpy>=1.4.5,<1.5",
-    "holidays>=0.29,<0.34",
+    "holidays>=0.29,<0.35",
     "mne>=1.5,<1.6",
     "numba>=0.53,<0.59",
     "pycatch22>=0.4,<0.5",