chore(deps): update alpine docker tag to v3.21 in dockerfile (#23)

renovate[bot] · web-flow · commit 554e8d8cc949 · 2024-12-09T11:39:33.000+02:00
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/Dockerfile b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM alpine:3.20
+FROM alpine:3.21
 
 # Install the dependencies
 RUN apk add --no-cache \
