Fix application label for system sites startup scripts (skupperproject#2154)

Author: fgiorgetti

internal/nonkube/common/startsh-container.template

@@ -3,7 +3,7 @@
 set -o errexit
 set -o nounset
 
-for container in $({{.ContainerEngine}} container ls --filter label=application=skupper --filter label=skupper.io/site-id={{.SiteId}} --format {{"{{"}}.Names{{"}}"}} --all); do
+for container in $({{.ContainerEngine}} container ls --filter label=application=skupper-v2 --filter label=skupper.io/site-id={{.SiteId}} --format {{"{{"}}.Names{{"}}"}} --all); do
     {{.ContainerEngine}} start ${container}
 done
 

internal/nonkube/common/stopsh-container.template

@@ -3,6 +3,6 @@
 set -o errexit
 set -o nounset
 
-for container in $({{.ContainerEngine}} container ls --filter label=application=skupper --filter label=skupper.io/site-id={{.SiteId}} --format {{"{{"}}.Names{{"}}"}} --all); do
+for container in $({{.ContainerEngine}} container ls --filter label=application=skupper-v2 --filter label=skupper.io/site-id={{.SiteId}} --format {{"{{"}}.Names{{"}}"}} --all); do
     {{.ContainerEngine}} stop -t 10 ${container}
 done