Update variables for non-nullability in latest pkg:pubspec_parse (#500)

Author: kevmoo

mono_repo/lib/src/ci_shared.dart

@@ -77,7 +77,7 @@ Map<String, List<CIJobEntry>> groupCIJobEntries(List<CIJobEntry> jobEntries) =>
 
 void validateRootConfig(RootConfig rootConfig) {
   for (var config in rootConfig) {
-    final sdkConstraint = config.pubspec.environment?['sdk'];
+    final sdkConstraint = config.pubspec.environment['sdk'];
 
     if (sdkConstraint == null) {
       continue;

mono_repo/lib/src/utilities.dart

@@ -48,7 +48,7 @@ void handlePubspecInSdkList(
     return;
   }
 
-  final sdkConstraint = pubspec.environment?['sdk'];
+  final sdkConstraint = pubspec.environment['sdk'];
 
   Version? lowerVersion;
   if (sdkConstraint is VersionRange && sdkConstraint.includeMin) {
@@ -142,7 +142,7 @@ extension PubspecExtension on Pubspec {
       ? '[![pub package](https://img.shields.io/pub/v/$name.svg)](https://pub.dev/packages/$name)'
       : '';
 
-  bool get _dependsOnFlutterSdk => environment?.containsKey('flutter') ?? false;
+  bool get _dependsOnFlutterSdk => environment.containsKey('flutter');
 
   bool get _dependsOnFlutterPackage => _dependsOnPackage('flutter');
 

mono_repo/pubspec.yaml

@@ -22,7 +22,7 @@ dependencies:
   meta: ^1.0.0
   path: ^1.4.1
   pub_semver: ^2.0.0
-  pubspec_parse: ^1.0.0
+  pubspec_parse: ^1.4.0
   yaml: ^3.0.0
 
 dev_dependencies: