Bump @springio/antora-extensions from 1.14.5 to 1.14.6 in /docs (#3839)

---
updated-dependencies:
- dependency-name: "@springio/antora-extensions"
  dependency-version: 1.14.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docs/package.json

@@ -5,7 +5,7 @@
 		"@antora/collector-extension": "1.0.1",
 		"@antora/pdf-extension": "1.0.0-beta.3",
 		"@asciidoctor/tabs": "1.0.0-beta.6",
-		"@springio/antora-extensions": "1.14.5",
+		"@springio/antora-extensions": "1.14.6",
 		"@springio/asciidoctor-extensions": "1.0.0-alpha.17"
 	}
 }