Migrate to Antora Documentation

* Use `providers.provider` for `modifiedFiles`.
This defers the looking up of `modifiedFiles` until it is used. It
also allows other tasks to be ran from the non-primary work tree.
Working in another work tree is essential for Antora which will clone
each branch/tag into a new work tree to process it.

* Migrate Structure

* Insert explicit ids for headers

* Fix image::image

* Copy default antora files

* Fix indentation for all pages

* Split files

* Generate a default navigation

* Remove includes

* Fix cross references

* Enable Section Summary TOC for small pages

* Polish nav.adoc

* Fix duplicate ids

* Escape {firstname} and {lastname}

* Remove links to htmlsingle and pdf Formats

* Fix broken links

* Disable attributes for ${debezium-version}

* Migrate to Asciidoctor Tabs

* Move to src/reference/antora

* Remove Asciidoctor Build

* deploy-docs only spring-projects

.github/workflows/pr-build-workflow.yml

@@ -36,7 +36,7 @@ jobs:
           debug: false
           concurrent: true
           gradle-build-scan-report: false
-          arguments: checkAsciidocLinks check
+          arguments: check
 
       - name: Capture Test Results
         if: failure()