fix: Integration ca-certificates in Tanzu image because of failing certificates test

Author: dploeger

flavour/tanzu/Dockerfile.flavour

@@ -1,6 +1,6 @@
 FROM alpine:latest
 
-RUN apk add sudo bash curl libc6-compat && \
+RUN apk add sudo bash curl libc6-compat ca-certificates && \
     echo "cloudcontrol ALL=(root)NOPASSWD:/sbin/apk *" > /etc/sudoers.d/cloudcontrol && \
     echo "cloudcontrol ALL=(root)NOPASSWD:/bin/chmod *" >> /etc/sudoers.d/cloudcontrol && \
     echo "cloudcontrol ALL=(root)NOPASSWD:/bin/cp *" >> /etc/sudoers.d/cloudcontrol && \