chore(deps): bump flask from 3.0.2 to 3.0.3

Bumps [flask](https://github.com/pallets/flask) from 3.0.2 to 3.0.3.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@3.0.2...3.0.3)

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

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

requirements.txt

@@ -6,7 +6,7 @@ chardet==5.2.0
 codebug-i2c-tether==0.3.0
 codebug-tether==0.9.1
 colorama==0.4.6
-Flask==3.0.2
+Flask==3.0.3
 gpiozero==2.0.1
 html5lib==1.1
 itsdangerous==2.1.2