Update python Docker tag to v3.13.15

.drone.yml

@@ -25,7 +25,7 @@ services:
 
 steps:
   - name: install-lint-test
-    image: python:3.11.13-alpine@sha256:8d8c6d3808243160605925c2a7ab2dc5c72d0e75651699b0639143613e0855b8
+    image: python:3.13.15-alpine@sha256:7415fbc3c9e4979cc717d92377ab2bc7b2b4a2af1ac03cc52b5f3f88efedaf3a
     env:
       PYROOT: '/pyroot'
       PYTHONUSERBASE: '/pyroot'
@@ -124,7 +124,7 @@ services:
 
 steps:
   - name: install-lint-test
-    image: python:3.11.13-alpine@sha256:8d8c6d3808243160605925c2a7ab2dc5c72d0e75651699b0639143613e0855b8
+    image: python:3.13.15-alpine@sha256:7415fbc3c9e4979cc717d92377ab2bc7b2b4a2af1ac03cc52b5f3f88efedaf3a
     env:
       PYROOT: '/pyroot'
       PYTHONUSERBASE: '/pyroot'

.python-version

@@ -1 +1 @@
-3.11.13
+3.13.15

Dockerfile

@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
-FROM python:3.11.13-alpine@sha256:8d8c6d3808243160605925c2a7ab2dc5c72d0e75651699b0639143613e0855b8 AS builder
+FROM python:3.13.15-alpine@sha256:7415fbc3c9e4979cc717d92377ab2bc7b2b4a2af1ac03cc52b5f3f88efedaf3a AS builder
 
 ENV PYROOT=/pyroot
 ENV PYTHONUSERBASE=$PYROOT
@@ -20,7 +20,7 @@ RUN PIP_USER=1 PIP_IGNORE_INSTALLED=1 pipenv install --system --deploy --ignore-
 RUN pip3 uninstall --yes pipenv
 
 
-FROM python:3.11.13-alpine@sha256:8d8c6d3808243160605925c2a7ab2dc5c72d0e75651699b0639143613e0855b8 AS ki-backend
+FROM python:3.13.15-alpine@sha256:7415fbc3c9e4979cc717d92377ab2bc7b2b4a2af1ac03cc52b5f3f88efedaf3a AS ki-backend
 
 ENV PYROOT=/pyroot
 ENV PYTHONUSERBASE=$PYROOT