add input

Signed-off-by: Maksim Fedotov <maksim.fedotov@flant.com>

Author: nevermarine

.github/workflows/dev_build_svace.yml

@@ -25,6 +25,13 @@ env:
 
 on:
   workflow_dispatch:
+    inputs:
+      pr_number:
+        description: |
+          Pull request number, like 563, or leave empty and choose a branch
+          For branches main, release-*, tag will be generated as branch name
+        required: false
+        type: number
   schedule:
     - cron: "00 04 * * 6"
   # debug