Disable matchBrackets in monaco (#36089)

This one may be a bit opinionated but I prefer my editors to be clean of
distractions and these bracket highlights look too much like a cursor on
quick glance imho.

Before:
<img width="345" height="67" alt="Screenshot 2025-12-04 at 20 26 14"
src="https://github.com/user-attachments/assets/10b2ea19-4468-401b-9425-1caa1b64afe4"
/>

After:
<img width="319" height="69" alt="Screenshot 2025-12-04 at 20 26 25"
src="https://github.com/user-attachments/assets/edbd3291-965d-421f-85cf-8d927b2a323a"
/>

package.json

@@ -1,6 +1,6 @@
 {
   "type": "module",
-  "packageManager": "pnpm@10.23.0",
+  "packageManager": "pnpm@10.24.0",
   "engines": {
     "node": ">= 22.6.0",
     "pnpm": ">= 10.0.0"
@@ -15,7 +15,7 @@
     "@github/relative-time-element": "4.5.1",
     "@github/text-expander-element": "2.9.2",
     "@mcaptcha/vanilla-glue": "0.1.0-alpha-3",
-    "@primer/octicons": "19.21.0",
+    "@primer/octicons": "19.21.1",
     "@resvg/resvg-wasm": "2.6.2",
     "@silverwind/vue3-calendar-heatmap": "2.0.6",
     "@techknowlogick/license-checker-webpack-plugin": "0.3.0",
@@ -36,7 +36,7 @@
     "idiomorph": "0.7.4",
     "jquery": "3.7.1",
     "katex": "0.16.25",
-    "mermaid": "11.12.1",
+    "mermaid": "11.12.2",
     "mini-css-extract-plugin": "2.9.4",
     "monaco-editor": "0.55.1",
     "monaco-editor-webpack-plugin": "7.1.1",
@@ -79,38 +79,38 @@
     "@types/throttle-debounce": "5.0.2",
     "@types/tinycolor2": "1.4.6",
     "@types/toastify-js": "1.12.4",
-    "@typescript-eslint/parser": "8.48.0",
+    "@typescript-eslint/parser": "8.48.1",
     "@vitejs/plugin-vue": "6.0.2",
-    "@vitest/eslint-plugin": "1.5.0",
+    "@vitest/eslint-plugin": "1.5.1",
     "eslint": "9.39.1",
     "eslint-import-resolver-typescript": "4.4.4",
     "eslint-plugin-array-func": "5.1.0",
     "eslint-plugin-github": "6.0.0",
     "eslint-plugin-import-x": "4.16.1",
-    "eslint-plugin-playwright": "2.3.0",
+    "eslint-plugin-playwright": "2.4.0",
     "eslint-plugin-regexp": "2.10.0",
     "eslint-plugin-sonarjs": "3.0.5",
     "eslint-plugin-unicorn": "62.0.0",
-    "eslint-plugin-vue": "10.6.1",
+    "eslint-plugin-vue": "10.6.2",
     "eslint-plugin-vue-scoped-css": "2.12.0",
     "eslint-plugin-wc": "3.0.2",
     "globals": "16.5.0",
-    "happy-dom": "20.0.10",
+    "happy-dom": "20.0.11",
     "markdownlint-cli": "0.46.0",
     "material-icon-theme": "5.29.0",
     "nolyfill": "1.0.44",
     "postcss-html": "1.8.0",
     "spectral-cli-bundle": "1.0.3",
-    "stylelint": "16.26.0",
+    "stylelint": "16.26.1",
     "stylelint-config-recommended": "17.0.0",
     "stylelint-declaration-block-no-ignored-properties": "2.8.0",
     "stylelint-declaration-strict-value": "1.10.11",
     "stylelint-value-no-unknown-custom-properties": "6.0.1",
     "svgo": "4.0.0",
-    "typescript-eslint": "8.48.0",
-    "updates": "16.9.2",
+    "typescript-eslint": "8.48.1",
+    "updates": "17.0.4",
     "vite-string-plugin": "1.4.9",
-    "vitest": "4.0.14",
+    "vitest": "4.0.15",
     "vue-tsc": "3.1.5"
   },
   "browserslist": [

templates/repo/diff/section_unified.tmpl

@@ -1,5 +1,5 @@
 {{$file := .file}}
-{{/* this tmpl is also used by the PR Conversation page, so the "AfterCommitID" and "DiffBlobExcerptData" may not exist */}}
+{{/* this tmpl is also used by the PR Conversation page, so "DiffBlobExcerptData" may not exist */}}
 {{$diffBlobExcerptData := $.root.DiffBlobExcerptData}}
 <colgroup>
 	<col width="50">
@@ -12,10 +12,10 @@
 	{{range $k, $line := $section.Lines}}
 		<tr class="{{.GetHTMLDiffLineType}}-code nl-{{$k}} ol-{{$k}}" data-line-type="{{.GetHTMLDiffLineType}}">
 			{{if eq .GetType 4}}
-				{{if $.root.AfterCommitID}}
+				{{if $diffBlobExcerptData}}
 					<td colspan="2" class="lines-num">{{$line.RenderBlobExcerptButtons $file.NameHash $diffBlobExcerptData}}</td>
 				{{else}}
-					{{/* for code file preview page or comment diffs on pull comment pages, do not show the expansion arrows */}}
+					{{/* when DiffBlobExcerptData is not available (code file preview, pull conversation diff comment), do not show the expansion arrows */}}
 					<td colspan="2" class="lines-num"></td>
 				{{end}}
 			{{else}}

web_src/js/features/codeeditor.ts

@@ -41,6 +41,7 @@ const baseOptions: MonacoOpts = {
   wrappingIndent: 'none',
   wordWrapBreakAfterCharacters: '',
   wordWrapBreakBeforeCharacters: '',
+  matchBrackets: 'never',
 };
 
 function getEditorconfig(input: HTMLInputElement): EditorConfig | null {