chore(deps): update @cyclonedx/cdxgen to 12.1.2 (#1117)

* chore(deps): update @cyclonedx/cdxgen to 12.1.2

Updated @cyclonedx/cdxgen from 11.11.0 to 12.1.2 to get latest features and bug fixes.

Note: Pre-existing cdxgen test failures remain unchanged by this update.

* fix: clean up reachability flags description formatting

Consolidate multi-line description for reachDisableExternalToolChecks flag
to a single line for consistency with other flag definitions in the file.

Author: jdalton

package.json

@@ -98,7 +98,7 @@
     "@babel/runtime": "7.28.4",
     "@biomejs/biome": "2.2.4",
     "@coana-tech/cli": "14.12.195",
-    "@cyclonedx/cdxgen": "11.11.0",
+    "@cyclonedx/cdxgen": "12.1.2",
     "@dotenvx/dotenvx": "1.49.0",
     "@eslint/compat": "1.3.2",
     "@eslint/js": "9.35.0",