Update Antora Plugin to 1.0.0

Issue gh-2234

spring-session-docs/antora-playbook.yml

@@ -1,27 +0,0 @@
-site:
-  title: Spring Session
-  url: https://docs.spring.io/spring-session/reference/
-asciidoc:
-  attributes:
-    page-pagination: true
-content:
-  sources:
-    - url: https://github.com/spring-io/spring-generated-docs
-      branches: [spring-projects/spring-session/*]
-    - url: https://github.com/spring-projects/spring-session
-      branches: [main,3.0.x,2.6.x]
-      tags: [ '3.0.*', '2.7.*', '2.6.*','!2.6.0-M*','!2.6.0-RC*','!2.7.0-M1','!3.0.0-M1']
-      start_path: spring-session-docs
-urls:
-  latest_version_segment_strategy: redirect:to
-  latest_version_segment: ''
-  redirect_facility: httpd
-ui:
-  bundle:
-    url: https://github.com/spring-io/antora-ui-spring/releases/download/latest/ui-bundle.zip
-    snapshot: true
-
-antora:
-  extensions:
-    - require: ./antora/extensions/version-fix.js
-    - require: ./antora/extensions/major-minor-segment.js