always allow workflows to mount /srv/example

because it is generally useful to store informations about how the
workflow ran

actions/example-pull-request/run.sh

@@ -1,9 +1,11 @@
 api=$url/api/v1
-export d=/srv/example-pull-request
+export d=/srv/example/pull-request
 
 PROOF='some proof'
 
 function setup() {
+    mkdir -p $d
+
     forgejo-test-helper.sh push_workflow actions/example-$example $url root example-$example setup-forgejo $token
 
     forgejo-curl.sh api_json --data-raw '{"username":"fork-org"}' $api/orgs