Refine Antora-build.

See spring-projects/spring-data-build#2797

Author: mp911de

src/main/antora/antora-playbook.yml

@@ -17,7 +17,7 @@ content:
     - url: https://github.com/spring-projects/spring-data-commons
       # Refname matching:
       # https://docs.antora.org/antora/latest/playbook/content-refname-matching/
-      branches: [ main, 3.2.x ]
+      branches: [ main ]
       start_path: src/main/antora
 asciidoc:
   attributes:

src/main/antora/antora.yml

@@ -6,12 +6,9 @@ nav:
 ext:
   collector:
     - run:
-        command: ./mvnw validate process-resources -am -Pantora-process-resources
+        command: ./mvnw -B validate process-resources dependency:unpack -am -Pantora-process-resources
         local: true
       scan:
-        dir: target/classes/
-    - run:
-        command: ./mvnw package -Pdistribute
-        local: true
-      scan:
-        dir: target/antora
+        - dir: target/classes/
+        - dir: target/antora/
+