docs: update security-bulletins.md (#3011) (#3018)

* Update security-bulletins.md

* Update security-bulletins.md

fix spacing

---------

Co-authored-by: Karl Cardenas <karl@spectrocloud.com>
(cherry picked from commit e5fd644)

Co-authored-by: Tom McCollough <35183135+chainsaw2k@users.noreply.github.com>

docs/docs-content/security-bulletins/security-bulletins.md

@@ -17,7 +17,7 @@ Our security advisories follow the
 | Rating   | CVSS Score |
 | -------- | ---------- |
 | None     | 0.0        |
-| Low      | 0.1- 3.9   |
+| Low      | 0.1 - 3.9  |
 | Medium   | 4.0 - 6.9  |
 | High     | 7.0 - 8.9  |
 | Critical | 9.0 - 10.0 |