Combined/deleted duplicate govuk_tech_docs gem advisory as part of PR#585 prep

Author: jasnow

gems/govuk_tech_docs/CVE-2024-22048.yml

@@ -26,6 +26,7 @@ description: |
   ### Patches
 
   This has been fixed in v3.3.1. HTML is now sanitised in search results.
+cvss_v3: 6.1
 unaffected_versions:
   - "< 2.0.2"
 patched_versions: