Automated Changelog: Rename "Editor" grouping to "Post Editor" to avo…

…id ambiguity with other editors (#34093)

* Update changelog.js

* Update changelog.js.snap

* Update the snapshot test for changelog formatting

Co-authored-by: Grzegorz Ziolkowski <grzegorz@gziolo.pl>

bin/plugin/commands/changelog.js

@@ -123,7 +123,7 @@ const LABEL_FEATURE_MAPPING = {
 	'[Package] Icons': 'Icons',
 	'[Package] Block Editor': 'Block Editor',
 	'[Package] Block library': 'Block Library',
-	'[Package] Editor': 'Editor',
+	'[Package] Editor': 'Post Editor',
 	'[Package] Edit Widgets': 'Widgets Editor',
 	'[Package] Widgets Customizer': 'Widgets Editor',
 	'[Package] Components': 'Components',

bin/plugin/commands/test/__snapshots__/changelog.js.snap

@@ -75,8 +75,8 @@ exports[`formatChangelog verify that the changelog is properly formatted 1`] = `
 #### Site Editor
 - Fix the site editor breaking in firefox. ([33896](https://github.com/WordPress/gutenberg/pull/33896))
 
-#### Editor
-- Safer isPreviewingPost check. ([33840](https://github.com/WordPress/gutenberg/pull/33840))
+#### Post Editor
+- Editor: Safer isPreviewingPost check. ([33840](https://github.com/WordPress/gutenberg/pull/33840))
 
 #### Meta Boxes
 - Fix Safari 13 metaboxes from overlapping the content. ([33817](https://github.com/WordPress/gutenberg/pull/33817))
@@ -109,7 +109,7 @@ exports[`formatChangelog verify that the changelog is properly formatted 1`] = `
 #### Template Editor
 - Template Mode: Remove 'per_page' argument from the template data selector. ([33742](https://github.com/WordPress/gutenberg/pull/33742))
 
-#### Editor
+#### Post Editor
 - Refactor the HierarchicalTermSelector so that it does not cause unnecessary loading of terms. ([33418](https://github.com/WordPress/gutenberg/pull/33418))