Bump python from 3.9.7 to 3.11.0 (#12)

Bumps python from 3.9.7 to 3.11.0.

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

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

Author: dependabot[bot]

Dockerfile

@@ -1,5 +1,5 @@
 # start by pulling the python image
-FROM python:3.9.7
+FROM python:3.11.0
 
 # switch working directory
 WORKDIR /app