ci/cd: pass reference to workflow dispatch

The action allows you to pass directly the Github reference for which
the triggered workflow will run.

Signed-off-by: Babis Chalios <mail@bchalios.io>

.github/workflows/e2e.yml

@@ -339,4 +339,5 @@ jobs:
       with:
         workflow: "Create vAccel release"
         token: ${{secrets.GITHUB_TOKEN}}
+        ref: ${{steps.tagName.outputs.tag}}
         inputs: '{ "tag": "${{steps.tagName.outputs.tag}}" }'