Bump browser-pack-flat from 3.4.2 to 3.5.0

Bumps [browser-pack-flat](https://github.com/goto-bus-stop/browser-pack-flat) from 3.4.2 to 3.5.0.
- [Release notes](https://github.com/goto-bus-stop/browser-pack-flat/releases)
- [Changelog](https://github.com/goto-bus-stop/browser-pack-flat/blob/default/CHANGELOG.md)
- [Commits](goto-bus-stop/browser-pack-flat@v3.4.2...v3.5.0)

---
updated-dependencies:
- dependency-name: browser-pack-flat
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -19,7 +19,7 @@
     "@fontsource/roboto-mono": "~5.0",
     "@vscode/gulp-vinyl-zip": "~2.5",
     "autoprefixer": "~10.4",
-    "browser-pack-flat": "~3.4",
+    "browser-pack-flat": "~3.5",
     "browserify": "~16.5",
     "cssnano": "~4.1",
     "eslint": "~6.8",

yarn.lock

@@ -1062,10 +1062,10 @@ brorand@^1.0.1, brorand@^1.1.0:
   resolved "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz"
   integrity sha512-cKV8tMCEpQs4hK/ik71d6LrPOnpkpGBR0wzxqr68g2m/LB2GxVYQroAjMJZRVM1Y4BCjCKc3vAamxSzOY2RP+w==
 
-browser-pack-flat@~3.4:
-  version "3.4.2"
-  resolved "https://registry.npmjs.org/browser-pack-flat/-/browser-pack-flat-3.4.2.tgz"
-  integrity sha512-TrUo6n2fGSOCYFAKkt/EkgenytAuuCI88fmXFA60aNFVHvz3CZEBTXYSvvXVpU6xpjM8lj/6vkC6Exn8KPjtPw==
+browser-pack-flat@~3.5:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/browser-pack-flat/-/browser-pack-flat-3.5.0.tgz#8c3cc15ef9b444c8c40d6240e8eb7c3c90970484"
+  integrity sha512-u3iJUjs+TC/NGIL2GLyIcn5ppoNZXhTWqSW/gQbGIGvQiXXCQQzr5VWfACFraXQn2JrDlyRnKLeOs5AWXzKI6A==
   dependencies:
     JSONStream "^1.3.2"
     combine-source-map "^0.8.0"
@@ -1078,7 +1078,7 @@ browser-pack-flat@~3.4:
     path-parse "^1.0.5"
     scope-analyzer "^2.0.0"
     stream-combiner "^0.2.2"
-    through2 "^2.0.3"
+    through2 "^3.0.1"
     transform-ast "^2.4.2"
     umd "^3.0.3"
     wrap-comment "^1.0.0"