chore(deps): bump org.docbook:docbook-xslTNG from 2.7.6 to 2.8.0

Bumps org.docbook:docbook-xslTNG from 2.7.6 to 2.8.0.

---
updated-dependencies:
- dependency-name: org.docbook:docbook-xslTNG
  dependency-version: 2.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build-logic/build.gradle

@@ -59,7 +59,7 @@ dependencies {
     implementation 'xml-resolver:xml-resolver:1.2'
     implementation 'org.xmlresolver:xmlresolver:6.0.23'
     implementation 'net.sf.saxon:Saxon-HE:12.9'
-    implementation 'org.docbook:docbook-xslTNG:2.7.6'
+    implementation 'org.docbook:docbook-xslTNG:2.8.0'
     implementation 'com.nwalsh:sinclude:5.2.4'
     implementation 'tokyo.northside:whc:3.6.0'
     implementation 'xalan:xalan:2.7.3'