Bump cssnano from 6.0.4 to 6.0.5 in /src/SJP.Schematic.Reporting

Bumps [cssnano](https://github.com/cssnano/cssnano) from 6.0.4 to 6.0.5.
- [Release notes](https://github.com/cssnano/cssnano/releases)
- [Commits](https://github.com/cssnano/cssnano/compare/[email protected]@6.0.5)

---
updated-dependencies:
- dependency-name: cssnano
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

src/SJP.Schematic.Reporting/package.json

@@ -25,7 +25,7 @@
     "admin-lte": "3.2.0",
     "bootstrap": "4.6.0",
     "codemirror": "5.65.5",
-    "cssnano": "6.0.4",
+    "cssnano": "6.0.5",
     "datatables.net": "1.10.25",
     "datatables.net-bs4": "1.10.24",
     "del": "7.1.0",