Switch Logstash repo from master to main for doc builds (#2279)

Author: karenzone

conf.yaml

@@ -151,7 +151,6 @@ contents:
                 repo:   logstash
                 path:   docs/
                 exclude_branches:   [ 6.8, 6.7, 6.6, 6.5, 6.4, 6.3, 6.2, 6.1, 6.0, 5.6, 5.5, 5.4, 5.3, 5.2, 5.1, 5.0 ]
-                map_branches: *mapMainToMaster
               -
                 repo:   observability-docs
                 path:   docs/en/observability
@@ -1578,8 +1577,8 @@ contents:
           - title:      Logstash Reference
             prefix:     en/logstash
             current:    *stackcurrent
-            branches:   [ master, 8.0, 7.16, 7.15, 7.14, 7.13, 7.12, 7.11, 7.10, 7.9, 7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.8, 6.7, 6.6, 6.5, 6.4, 6.3, 6.2, 6.1, 6.0, 5.6, 5.5, 5.4, 5.3, 5.2, 5.1, 5.0, 2.4, 2.3, 2.2, 2.1, 2.0, 1.5 ]
-            live:       *stacklive
+            branches:   [ {main: master}, 8.0, 7.16, 7.15, 7.14, 7.13, 7.12, 7.11, 7.10, 7.9, 7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.8, 6.7, 6.6, 6.5, 6.4, 6.3, 6.2, 6.1, 6.0, 5.6, 5.5, 5.4, 5.3, 5.2, 5.1, 5.0, 2.4, 2.3, 2.2, 2.1, 2.0, 1.5 ]
+            live:       *stacklivemain
             index:      docs/index.x.asciidoc
             chunk:      1
             tags:       Logstash/Reference
@@ -1594,7 +1593,7 @@ contents:
                 prefix: logstash-extra/x-pack-logstash
                 path:   docs/en
                 private: true
-                exclude_branches:   [ master, 8.0, 7.16, 7.15, 7.14, 7.13, 7.12, 7.11, 7.10, 7.9, 7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.8, 6.7, 6.6, 6.5, 6.4, 6.3, 5.3, 5.2, 5.1, 5.0, 2.4, 2.3, 2.2, 2.1, 2.0, 1.5 ]
+                exclude_branches:   [ main, 8.0, 7.16, 7.15, 7.14, 7.13, 7.12, 7.11, 7.10, 7.9, 7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.8, 6.7, 6.6, 6.5, 6.4, 6.3, 5.3, 5.2, 5.1, 5.0, 2.4, 2.3, 2.2, 2.1, 2.0, 1.5 ]
               -
                 repo:   logstash-docs
                 path:   docs/
@@ -1609,11 +1608,11 @@ contents:
               -
                 repo:   docs
                 path:   shared/attributes62.asciidoc
-                exclude_branches:   [ master, 8.0, 7.16, 7.15, 7.14, 7.13, 7.12, 7.11, 7.10, 7.9, 7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.8, 6.7, 6.6, 6.5, 6.4, 6.3, 5.4, 5.3, 5.2, 5.1, 5.0, 2.4, 2.3, 2.2, 2.1, 2.0, 1.5 ]
+                exclude_branches:   [ main, 8.0, 7.16, 7.15, 7.14, 7.13, 7.12, 7.11, 7.10, 7.9, 7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.8, 6.7, 6.6, 6.5, 6.4, 6.3, 5.4, 5.3, 5.2, 5.1, 5.0, 2.4, 2.3, 2.2, 2.1, 2.0, 1.5 ]
               -
                 repo:   docs
                 path:   shared/legacy-attrs.asciidoc
-                exclude_branches:   [ master, 8.0, 7.16, 7.15, 7.14, 7.13, 7.12, 7.11, 7.10, 7.9, 7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.8, 6.7, 6.6, 6.5, 6.4, 6.3, 6.2, 6.1, 6.0, 5.6, 5.5, 5.4, 5.3, 5.2, 5.1, 5.0, 2.4, 2.3, 2.2, 2.1, 2.0]
+                exclude_branches:   [ main, 8.0, 7.16, 7.15, 7.14, 7.13, 7.12, 7.11, 7.10, 7.9, 7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.8, 6.7, 6.6, 6.5, 6.4, 6.3, 6.2, 6.1, 6.0, 5.6, 5.5, 5.4, 5.3, 5.2, 5.1, 5.0, 2.4, 2.3, 2.2, 2.1, 2.0]
           - title:      Logstash Versioned Plugin Reference
             prefix:     en/logstash-versioned-plugins
             current:    versioned_plugin_docs