chore(deps): update docker.io/alpine:3.21.0 docker digest to 21dc606 (#…

…188)

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

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/alpine:3.21.0@sha256:e323a465c03a31ad04374fc7239144d0fd4e2b92da6e3e0655580476d3a84621
+FROM docker.io/alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 ADD requirements.txt /tmp
 ADD requirements.yml /tmp
 RUN apk --no-cache add sudo python3 py3-pip openssl ca-certificates sshpass openssh-client rsync git tar unzip zip && \