Bump flutter_zxing from 0.7.2 to 0.7.4 in /example

Bumps [flutter_zxing](https://github.com/khoren93/flutter_zxing) from 0.7.2 to 0.7.4.
- [Release notes](https://github.com/khoren93/flutter_zxing/releases)
- [Changelog](https://github.com/khoren93/flutter_zxing/blob/main/CHANGELOG.md)
- [Commits](https://github.com/khoren93/flutter_zxing/commits)

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

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

example/pubspec.lock

@@ -14,7 +14,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.2"
+    version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -63,21 +63,14 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
+    version: "1.2.1"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
@@ -105,7 +98,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.3.1"
   ffi:
     dependency: transitive
     description:
@@ -148,7 +141,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.7.2"
+    version: "0.7.4"
   font_awesome_flutter:
     dependency: "direct main"
     description:
@@ -232,28 +225,28 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.11"
+    version: "0.12.12"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.4"
+    version: "0.1.5"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   petitparser:
     dependency: transitive
     description:
@@ -286,7 +279,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.2"
+    version: "1.9.0"
   stack_trace:
     dependency: transitive
     description:
@@ -314,21 +307,21 @@ packages:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.9"
+    version: "0.4.12"
   typed_data:
     dependency: transitive
     description:

example/pubspec.yaml

@@ -11,6 +11,7 @@ dependencies:
     sdk: flutter
   flutter_zxing:
     path: ../
+    version: ^0.7.4
   font_awesome_flutter: ^10.1.0
   image: ^3.2.0
   image_picker: ^0.8.5