Update the govulncheck.yml to run on change

Signed-off-by: Matt Farina <matt.farina@suse.com>
Signed-off-by: MrJack <36191829+biagiopietro@users.noreply.github.com>

.github/workflows/govulncheck.yml

@@ -3,6 +3,7 @@ on:
   push:
     paths:
       - go.sum
+      - .github/workflows/govulncheck.yml
   schedule:
     - cron: "0 0 * * *"