⬆️ Update alpine_3_21/python3-dev to v3.12.9-r0 (#2044)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

node-red/Dockerfile

@@ -18,7 +18,7 @@ RUN \
         build-base=0.5-r3 \
         linux-headers=6.6-r1 \
         py3-pip=24.3.1-r0 \
-        python3-dev=3.12.8-r1 \
+        python3-dev=3.12.9-r0 \
     \
     && apk add --no-cache \
         git=2.47.2-r0 \