Bump pandas from 1.3.5 to 1.4.1 (#44)

* Bump pandas from 1.3.5 to 1.4.1

Bumps [pandas](https://github.com/pandas-dev/pandas) from 1.3.5 to 1.4.1.
- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Changelog](https://github.com/pandas-dev/pandas/blob/main/RELEASE.md)
- [Commits](pandas-dev/pandas@v1.3.5...v1.4.1)

---
updated-dependencies:
- dependency-name: pandas
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* pin pandas for python < 3.8

* pin pandas for python < 3.8

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Wilko Henecka <3759021+wilko77@users.noreply.github.com>

docs/tutorials-requirements.txt

@@ -1,5 +1,6 @@
 numpy==1.22.2; python_version >= '3.8'
 numpy==1.21.4; python_version < '3.8'
 matplotlib==3.5.1
-pandas==1.3.5
+pandas==1.3.5; python_version < '3.8'
+pandas==1.4.1; python_version >= '3.8'
 seaborn==0.11.2

requirements.txt

@@ -1,4 +1,5 @@
 numpy==1.22.2; python_version >= '3.8'
 numpy==1.21.4; python_version < '3.8'
-pandas==1.3.5
+pandas==1.3.5; python_version < '3.8'
+pandas==1.4.1; python_version >= '3.8'
 nbval==0.9.6