Update matplotlib requirement from ~=3.9.0 to ~=3.9.2 in /scripts (#139)

Updates the requirements on [matplotlib](https://github.com/matplotlib/matplotlib) to permit the latest version.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.9.0...v3.9.2)

---
updated-dependencies:
- dependency-name: matplotlib
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

scripts/requirements.txt

@@ -1,4 +1,4 @@
 requests~=2.32.3
 numpy~=2.0.1
-matplotlib~=3.9.0
+matplotlib~=3.9.2
 grequests~=0.7.0