Bump org.asciidoctor.jvm.convert from 4.0.3 to 4.0.4

Bumps org.asciidoctor.jvm.convert from 4.0.3 to 4.0.4.

---
updated-dependencies:
- dependency-name: org.asciidoctor.jvm.convert
  dependency-version: 4.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

docs/build.gradle

@@ -1,7 +1,7 @@
 import org.asciidoctor.gradle.jvm.AsciidoctorTask
 
 plugins {
-    id 'org.asciidoctor.jvm.convert' version "4.0.3"
+    id 'org.asciidoctor.jvm.convert' version "4.0.4"
 }
 
 def asciidoctorAttributes = [