updated pubspec

pubspec.lock

@@ -14,7 +14,7 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "26.0.0"
+    version: "22.0.0"
   adaptive_theme:
     dependency: "direct main"
     description:
@@ -28,7 +28,7 @@ packages:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.3.0"
+    version: "1.7.1"
   ansicolor:
     dependency: transitive
     description:
@@ -72,7 +72,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.6.1"
   battery_optimization:
     dependency: "direct main"
     description:
@@ -172,7 +172,7 @@ packages:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.1"
+    version: "1.2.0"
   checked_yaml:
     dependency: transitive
     description:
@@ -966,7 +966,7 @@ packages:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.3.0"
   metadata_fetch:
     dependency: "direct main"
     description:
@@ -1629,21 +1629,21 @@ packages:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.17.10"
+    version: "1.16.8"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.3.0"
   test_core:
     dependency: transitive
     description:
       name: test_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.0"
+    version: "0.3.19"
   timezone:
     dependency: transitive
     description: