Bump args from 2.3.1 to 2.3.2 in /pub/helpers (#6500)

Bumps [args](https://github.com/dart-lang/args) from 2.3.1 to 2.3.2.
- [Release notes](https://github.com/dart-lang/args/releases)
- [Changelog](https://github.com/dart-lang/args/blob/master/CHANGELOG.md)
- [Commits](dart-lang/args@2.3.1...v2.3.2)

---
updated-dependencies:
- dependency-name: args
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pub/helpers/pubspec.lock

@@ -21,7 +21,7 @@ packages:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.3.1"
+    version: "2.3.2"
   async:
     dependency: transitive
     description:
@@ -228,4 +228,4 @@ packages:
     source: hosted
     version: "2.0.3"
 sdks:
-  dart: ">=2.17.0 <3.0.0"
+  dart: ">=2.18.0 <3.0.0"

pub/helpers/pubspec.yaml

@@ -5,7 +5,7 @@ environment:
 dependencies:
   path: ^1.8.3
   yaml: ^3.1.1
-  args: ^2.3.1
+  args: ^2.3.2
   collection: ^1.17.0
   pub_semver: ^2.1.3
   http: ^0.13.5