chore(deps): update drakkan/sftpgo docker tag to v2.7.0 (#115)

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

Author: renovate[bot]

build-images.sh

@@ -84,7 +84,7 @@ buildah config --entrypoint=/ \
     --label="org.nethserver.authorizations=node:fwadm traefik@node:routeadm" \
     --label="org.nethserver.tcp-ports-demand=2" \
     --label="org.nethserver.rootfull=0" \
-    --label="org.nethserver.images=docker.io/nginx:1.28.0-alpine docker.io/drakkan/sftpgo:v2.6.6-alpine" \
+    --label="org.nethserver.images=docker.io/nginx:1.28.0-alpine docker.io/drakkan/sftpgo:v2.7.0-alpine" \
     "${container}"
 # Commit the image
 buildah commit "${container}" "${repobase}/${reponame}"