feat(docker): add gnu tar for workflows

Add GNU tar for our workflows since BusyBox tar doesn't support advanced
command line parameters like hard-dereference.

Signed-off-by: Randolph Sapp <rs@ti.com>

Author: StaticRocket

docker/Dockerfile

@@ -13,6 +13,7 @@ RUN apk add --no-cache \
 		ripgrep \
 		shadow \
 		su-exec \
+		tar \
 		vale \
 		zip \
 	&& echo "**** create abc user and make our folders ****" \