Add ignores to work around dart-lang/linter#4381 (#2053)

Author: nex3

lib/src/ast/sass/expression/binary_operation.dart

@@ -82,7 +82,10 @@ final class BinaryOperationExpression implements Expression {
     var right = this.right; // Hack to make analysis work.
     var rightNeedsParens = switch (right) {
       BinaryOperationExpression(:var operator) =>
+        // dart-lang/linter#4381
+        // ignore: unnecessary_this
         operator.precedence <= this.operator.precedence &&
+            // ignore: unnecessary_this
             !(operator == this.operator && operator.isAssociative),
       ListExpression(hasBrackets: false, contents: [_, _, ...]) => true,
       _ => false

pubspec.yaml

@@ -16,7 +16,7 @@ dependencies:
   charcode: ^1.2.0
   cli_repl: ^0.2.1
   collection: ^1.16.0
-  http: ^0.13.3
+  http: ">=0.13.3 <1.0.0"
   js: ^0.6.3
   meta: ^1.3.0
   node_interop: ^2.1.0
@@ -36,7 +36,7 @@ dependencies:
   watcher: ^1.0.0
 
 dev_dependencies:
-  analyzer: ^5.13.0
+  analyzer: ">=5.13.0 <7.0.0"
   archive: ^3.1.2
   cli_pkg: ^2.4.4
   crypto: ^3.0.0