Revert Dart update

Signed-off-by: Brett Logan <lindluni@github.com>

Dockerfile

@@ -40,7 +40,7 @@ ARG ARM_TTK_DIRECTORY='/usr/lib/microsoft'
 ARG CHECKSTYLE_VERSION='10.3.4'
 # Dart Linter
 ## stable dart sdk: https://dart.dev/get-dart#release-channels
-ARG DART_VERSION='2.18.5'
+ARG DART_VERSION='2.8.4'
 ARG GOOGLE_JAVA_FORMAT_VERSION='1.15.0'
 ## install alpine-pkg-glibc (glibc compatibility layer package for Alpine Linux)
 ARG GLIBC_VERSION='2.34-r0'

lib/linter.sh

@@ -887,7 +887,7 @@ LINTER_COMMANDS_ARRAY['COFFEESCRIPT']="coffeelint -f ${COFFEESCRIPT_LINTER_RULES
 LINTER_COMMANDS_ARRAY['CPP']="cpplint"
 LINTER_COMMANDS_ARRAY['CSHARP']="dotnet-format --folder --check --exclude / --include"
 LINTER_COMMANDS_ARRAY['CSS']="stylelint --config ${CSS_LINTER_RULES}"
-LINTER_COMMANDS_ARRAY['DART']="dart analyze --fatal-infos"
+LINTER_COMMANDS_ARRAY['DART']="dartanalyzer --fatal-infos --fatal-warnings --options ${DART_LINTER_RULES}"
 LINTER_COMMANDS_ARRAY['DOCKERFILE_HADOLINT']="hadolint -c ${DOCKERFILE_HADOLINT_LINTER_RULES}"
 LINTER_COMMANDS_ARRAY['EDITORCONFIG']="editorconfig-checker -config ${EDITORCONFIG_LINTER_RULES}"
 LINTER_COMMANDS_ARRAY['ENV']="dotenv-linter"