Bump pandas from 2.1.0 to 2.1.1

Bumps [pandas](https://github.com/pandas-dev/pandas) from 2.1.0 to 2.1.1.
- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Commits](pandas-dev/pandas@v2.1.0...v2.1.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 matplotlib==3.8.0
 scikit_learn==1.3.0
-pandas==2.1.0
+pandas==2.1.1
 numpy==1.23.5
 scipy==1.11.2
 tensorflow==2.13.0

requirements_gpu.txt

@@ -1,6 +1,6 @@
 matplotlib==3.8.0
 scikit_learn==1.3.0
-pandas==2.1.0
+pandas==2.1.1
 numpy==1.23.5
 scipy==1.11.2
 tensorflow_gpu==2.12.0