Bump matplotlib from 3.6.2 to 3.7.0 in /examples

Bumps [matplotlib](https://github.com/matplotlib/matplotlib) from 3.6.2 to 3.7.0.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.6.2...v3.7.0)

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

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

Author: dependabot[bot]

examples/requirements.txt

@@ -1,7 +1,7 @@
 tensorflow==2.11.0
 numpy==1.24.2
 scipy==1.10.0
-matplotlib==3.6.3
+matplotlib==3.7.0
 gapminder==0.1
 pandas==1.5.3
 seaborn==0.12.2