Update dependency flutter to v3.13.6 (#229)

* Update dependency flutter to v3.13.6
* Enable pipeline to build Android & macOS for future PRs

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Đào Hoàng Sơn <[email protected]>

Author: renovate[bot]

.github/workflows/flutter.yml

@@ -43,7 +43,7 @@ jobs:
       - uses: codecov/codecov-action@v3
 
   build_apk:
-    if: ${{ github.ref == 'refs/heads/master' || contains(github.ref, 'android') }}
+    if: ${{ github.ref == 'refs/heads/master' || contains(github.ref, 'android') || startsWith(github.ref, 'refs/heads/renovate/flutter-') }}
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -232,7 +232,7 @@ jobs:
           fingerprint: <!-- ${{ github.sha }} -->
 
   build_macos:
-    if: ${{ github.ref == 'refs/heads/master' || contains(github.ref, 'macos') }}
+    if: ${{ github.ref == 'refs/heads/master' || contains(github.ref, 'macos') || startsWith(github.ref, 'refs/heads/renovate/flutter-') }}
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v4

pubspec.lock

@@ -1578,4 +1578,4 @@ packages:
     version: "3.1.2"
 sdks:
   dart: ">=3.1.0-185.0.dev <4.0.0"
-  flutter: ">=3.13.5"
+  flutter: ">=3.13.6"

pubspec.yaml

@@ -4,7 +4,7 @@ version: 2.1.0
 publish_to: none
 
 environment:
-  flutter: 3.13.5
+  flutter: 3.13.6
   sdk: ">=2.18.4 <4.0.0"
 
 dependencies: