Prepare Release using 'release-plan'

stderr.log

@@ -31,3 +31,12 @@ Warning: unknown package "limber"
 Warning: unknown package "limber"
 (node:1845) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
 (Use `node --trace-deprecation ...` to show where the warning was created)
+(node:1874) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
+(Use `node --trace-deprecation ...` to show where the warning was created)
+# Unlabeled Changes
+
+* `limber`, `tutorial`, `limber-ui`, `limber-ui-test-app`, `@nullvoxpopuli/limber-transpilation`, `ember-repl`, `ember-repl-test-app`, `@glimdown/lezer-infra`, `codemirror-lang-glimdown`, `@glimdown/lezer`, `codemirror-lang-glimmer-js`, `@glimdown/lezer-glimmer-expression`, `codemirror-lang-glimmer-ts`, `codemirror-lang-glimmer`, `lezer-glimmer`
+  * [#1872](https://github.com/NullVoxPopuli/limber/pull/1872) Upgrade to ember 6 ([@NullVoxPopuli](https://github.com/NullVoxPopuli))
+
+
+*Cannot plan release until the above changes are labeled*.