Update pandas requirement from <3,>=2.1 to >=2.1,<4

Updates the requirements on [pandas](https://github.com/pandas-dev/pandas) to permit the latest version.
- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Commits](pandas-dev/pandas@v2.1.0...v3.0.2)

---
updated-dependencies:
- dependency-name: pandas
  dependency-version: 3.0.2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -23,7 +23,7 @@ classifiers = [
 ]
 
 dependencies = [
-    "pandas >=2.1,<3",
+    "pandas >=2.1,<4",
     "pyarrow >=15,<20",
     "openpyxl >=3.1,<4",
     "xlrd >=2.0,<3",