Add Dashboard v0.63.0 LTS docs

Remove the EOL v0.61 and v0.52 LTS

Author: AlanGreene

sync/config/dashboard.yaml

@@ -26,8 +26,8 @@ archive: https://github.com/tektoncd/dashboard/tags
 #       header: <dict>         # optional, no header added if not set
 #         See https://www.docsy.dev/docs/adding-content/navigation/#section-menu
 tags:
-- name: release-v0.61.x
-  displayName: v0.61.x
+- name: release-v0.63.x-lts
+  displayName: v0.63.x-LTS
   folders:
     docs:
       index: README.md
@@ -50,12 +50,6 @@ tags:
     docs:
       index: README.md
       include: ['*.jpg', '*.md', '*.svg']
-- name: release-v0.52.x-lts
-  displayName: v0.52.x-LTS
-  folders:
-    docs:
-      index: README.md
-      include: ['*.jpg', '*.md', '*.svg']
 - name: main
   displayName: main
   folders: