chore(deps): update backend-python-runtime

Author: renovate[bot]

backend/Dockerfile

@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1
+# syntax=docker/dockerfile:1@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
 
 # Multi-target Dockerfile for the Backend
 #   - `dev`     → hot-reload dev image (all groups synced)
@@ -7,7 +7,7 @@
 ARG WORKDIR=/opt/relab/backend
 
 # --- Build stage (prod deps only) ---
-FROM ghcr.io/astral-sh/uv:0.11-python3.14-trixie-slim@sha256:37ec7fe8c82064a87c1c3d57e8ef5ff108b64bc34b17f64a4c00094b64928330 AS build
+FROM ghcr.io/astral-sh/uv:0.11-python3.14-trixie-slim@sha256:ae9a6b70141f6e72f7941cea49f7be7bca249edb4ff51fb5a3fc7cfc3aae5c83 AS build
 
 ARG WORKDIR
 WORKDIR $WORKDIR
@@ -27,7 +27,7 @@ RUN --mount=type=cache,target=/root/.cache/uv \
     uv sync --locked --no-editable --no-default-groups
 
 # --- Dev stage (all groups, hot reload) ---
-FROM ghcr.io/astral-sh/uv:0.11-python3.14-trixie-slim@sha256:37ec7fe8c82064a87c1c3d57e8ef5ff108b64bc34b17f64a4c00094b64928330 AS dev
+FROM ghcr.io/astral-sh/uv:0.11-python3.14-trixie-slim@sha256:ae9a6b70141f6e72f7941cea49f7be7bca249edb4ff51fb5a3fc7cfc3aae5c83 AS dev
 
 ARG WORKDIR
 WORKDIR $WORKDIR
@@ -56,7 +56,7 @@ EXPOSE 8000
 CMD [".venv/bin/uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload", "--reload-dir", "app"]
 
 # --- Runtime stage (default) ---
-FROM python:3.14-slim-trixie@sha256:bc389f7dfcb21413e72a28f491985326994795e34d2b86c8ae2f417b4e7818aa AS runtime
+FROM python:3.14-slim-trixie@sha256:63a4c7f612a00f92042cbdcc7cdc6a306f38485af0a200b9c89de7d9b1607d15 AS runtime
 
 ARG WORKDIR
 ARG APP_USER=appuser

backend/Dockerfile.migrations

@@ -1,9 +1,9 @@
-# syntax=docker/dockerfile:1
+# syntax=docker/dockerfile:1@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
 
 # Production Dockerfile for Backend Migrations
 
 # --- Build stage ---
-FROM ghcr.io/astral-sh/uv:0.11-python3.14-trixie-slim@sha256:37ec7fe8c82064a87c1c3d57e8ef5ff108b64bc34b17f64a4c00094b64928330 AS build
+FROM ghcr.io/astral-sh/uv:0.11-python3.14-trixie-slim@sha256:ae9a6b70141f6e72f7941cea49f7be7bca249edb4ff51fb5a3fc7cfc3aae5c83 AS build
 WORKDIR /opt/relab/backend-migrations
 
 # Create needed directories data uploads for seeding example images and files
@@ -35,7 +35,7 @@ COPY app/ app/
 COPY data/seed/ data/seed/
 
 # --- Runtime stage ---
-FROM python:3.14-slim-trixie@sha256:bc389f7dfcb21413e72a28f491985326994795e34d2b86c8ae2f417b4e7818aa
+FROM python:3.14-slim-trixie@sha256:63a4c7f612a00f92042cbdcc7cdc6a306f38485af0a200b9c89de7d9b1607d15
 
 ARG WORKDIR=/opt/relab/backend-migrations
 ARG APP_USER=appuser

backend/Dockerfile.user-upload-backups

@@ -1,7 +1,7 @@
-# syntax=docker/dockerfile:1
+# syntax=docker/dockerfile:1@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
 
 # Production Dockerfile for User Upload Backups
-FROM alpine:3.22@sha256:55ae5d250caebc548793f321534bc6a8ef1d116f334f18f4ada1b2daad3251b2
+FROM alpine:3.24@sha256:28bd5fe8b56d1bd048e5babf5b10710ebe0bae67db86916198a6eec434943f8b
 
 # Build arguments
 ARG WORKDIR=/opt/relab/backend_backups