Update gitlab-runner_sbom.json

gitlab-runner_sbom.json

 {
   "bomFormat": "CycloneDX",
   "specVersion": "1.5",
-  "serialNumber": "urn:uuid:b060abf9-5080-42b6-bcec-b011cf86d270",
+  "serialNumber": "urn:uuid:75ea8b61-0458-4eec-a994-54cf3d66b487",
   "version": 1,
   "metadata": {
     "tools": null,