Bump build_runner from 2.1.11 to 2.2.0 in /zxscanner

Bumps [build_runner](https://github.com/dart-lang/build) from 2.1.11 to 2.2.0.
- [Release notes](https://github.com/dart-lang/build/releases)
- [Commits](https://github.com/dart-lang/build/compare/build_runner-v2.1.11...build_runner-v2.2.0)

---
updated-dependencies:
- dependency-name: build_runner
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

zxscanner/pubspec.lock

@@ -56,7 +56,7 @@ packages:
       name: build_config
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.1.0"
   build_daemon:
     dependency: transitive
     description:
@@ -77,7 +77,7 @@ packages:
       name: build_runner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.11"
+    version: "2.2.0"
   build_runner_core:
     dependency: transitive
     description:

zxscanner/pubspec.yaml

@@ -36,7 +36,7 @@ flutter_intl:
   enabled: true
 
 dev_dependencies:
-  build_runner: ^2.1.11
+  build_runner: ^2.2.0
   # espresso: ^0.2.0+2
   flutter_lints: ^2.0.1
   flutter_native_splash: ^2.2.4 # flutter pub run flutter_native_splash:create