flutter-dev-container issues

update to lastest version of flutter

moved install to /opt

can't build dev container

5

```log ERROR: failed to solve: process "/bin/sh -c sdkmanager \"system-images;android-${ANDROID_PLATFORM_VERSION};google_apis;x86_64\" \t && avdmanager create avd -n Android${ANDROID_PLATFORM_VERSION} -k \"system-images;android-${ANDROID_PLATFORM_VERSION};google_apis;x86_64\"" did not complete successfully: exit code: 1 [2023-02-11T11:18:19.044Z] Stop (80644 ms):...

nickveliki

Update to new sdk

5

Change env to new sdk versions

arejula27

good first issue

hacktoberfest

fatal: detected dubious ownership & Because complex_layout depends on flutter_gallery_assets 0.2.1 which re quires Flutter SDK version >=0.1.0 <2.0.0, version solving failed.

``` #0 120.6 fatal: detected dubious ownership in repository at '/opt/flutter' #0 120.6 To add an exception for this directory, call: #0 120.6 #0 120.6 git config --global --add safe.directory...

Masterxilo