build(deps): bump alpine version to 3.20.2 (#60)

### Description

OB-XXX Bump alpine version to 3.20.2

### Checklist
- [ ] Created tests which fail without the change (if possible)
- [ ] Extended the README / documentation, if necessary

packaging/docker/Dockerfile

@@ -12,10 +12,10 @@ RUN tar czhf observe-agent.tar.gz /observe-agent $(ldd /observe-agent | grep -oP
 # however, we can copy full directory as root (/) to be base file structure for scratch image
 RUN mkdir /output && tar xf /observe-agent.tar.gz --directory /output
 
-FROM alpine:3.20.0 as directories
+FROM alpine:3.20.2 as directories
 RUN mkdir -p /var/lib/observe-agent/filestorage
 
-FROM alpine:3.20.0 as certs
+FROM alpine:3.20.2 as certs
 RUN apk --update add ca-certificates
 
 FROM debian:12.5 as systemd
@@ -28,7 +28,7 @@ RUN tar czhf journalctl.tar.gz /bin/journalctl $(ldd /bin/journalctl | grep -oP
 # however, we can copy full directory as root (/) to be base file structure for scratch image
 RUN mkdir /output && tar xf /journalctl.tar.gz --directory /output
 
-FROM alpine:3.20.0
+FROM alpine:3.20.2
 ADD packaging/docker/observe-agent /etc/observe-agent
 COPY --from=systemd /output/ /
 COPY --from=certs /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt