Bump library/python from 3.13.2-alpine3.21 to 3.13.3-alpine3.21

Bumps library/python from 3.13.2-alpine3.21 to 3.13.3-alpine3.21.

---
updated-dependencies:
- dependency-name: library/python
  dependency-version: 3.13.3-alpine3.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Dockerfile

@@ -1,6 +1,6 @@
 # Official Docker images are in the form library/<app> while non-official
 # images are in the form <user>/<app>.
-FROM docker.io/library/python:3.13.2-alpine3.21 AS compile-stage
+FROM docker.io/library/python:3.13.3-alpine3.21 AS compile-stage
 
 ###
 # Unprivileged user variables
@@ -53,7 +53,7 @@ RUN pipenv check --verbose \
 
 # Official Docker images are in the form library/<app> while non-official
 # images are in the form <user>/<app>.
-FROM docker.io/library/python:3.13.2-alpine3.21 AS build-stage
+FROM docker.io/library/python:3.13.3-alpine3.21 AS build-stage
 
 ###
 # For a list of pre-defined annotation keys and value types see: