Update Dart Sass version and release

Author: sassbot

CHANGELOG.md

@@ -1,3 +1,10 @@
+## 1.56.1
+
+### Embedded Sass
+
+* Importer results now validate that `contents` is actually a string and whether
+  `sourceMapUrl` is an absolute URL.
+
 ## 1.56.0
 
 * **Potentially breaking change:** To match the CSS spec, SassScript expressions

pubspec.lock

@@ -308,7 +308,7 @@ packages:
       name: sass
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.56.0"
+    version: "1.56.1"
   sass_analysis:
     dependency: "direct dev"
     description:
@@ -324,7 +324,7 @@ packages:
       name: sass_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.1.0"
+    version: "4.1.1"
   shelf:
     dependency: transitive
     description:

pubspec.yaml

@@ -1,5 +1,5 @@
 name: sass_embedded
-version: 1.56.0
+version: 1.56.1
 description: An implementation of the Sass embedded protocol using Dart Sass.
 homepage: https://github.com/sass/dart-sass-embedded
 
@@ -14,7 +14,7 @@ dependencies:
   meta: ^1.1.0
   path: ^1.6.0
   protobuf: ^2.0.0
-  sass: 1.56.0
+  sass: 1.56.1
   sass_api: ^4.0.0
   source_span: ^1.1.0
   stack_trace: ^1.6.0