Bump pandas from 1.5.3 to 2.0.3 in /.github/dependabot

Bumps [pandas](https://github.com/pandas-dev/pandas) from 1.5.3 to 2.0.3.
- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Commits](pandas-dev/pandas@v1.5.3...v2.0.3)

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

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

.github/dependabot/constraints.txt

@@ -7,7 +7,7 @@ matplotlib==3.7.1
 mplcursors==0.5.2
 mpl-pan-zoom==1.0.0
 numpy==1.25.0
-pandas==1.5.3
+pandas==2.0.3
 pasha==0.1.1
 pyflakes==3.0.1
 PyQt5==5.15.9