Update matplotlib requirement from ~=3.9.2 to ~=3.9.3 in /scripts

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@v3.9.2...v3.9.3)

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

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

scripts/requirements.txt

@@ -1,4 +1,4 @@
 requests~=2.32.3
 numpy~=2.1.0
-matplotlib~=3.9.2
+matplotlib~=3.9.3
 grequests~=0.7.0