Return to Provider and remove GetIt

pubspec.lock

@@ -317,13 +317,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.2"
-  get_it:
-    dependency: "direct main"
-    description:
-      name: get_it
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "7.2.0"
   glob:
     dependency: transitive
     description:
@@ -344,7 +337,7 @@ packages:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.13.3"
+    version: "0.13.4"
   http_multi_server:
     dependency: transitive
     description:
@@ -443,6 +436,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.3"
+  nested:
+    dependency: transitive
+    description:
+      name: nested
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   octo_image:
     dependency: transitive
     description:
@@ -534,6 +534,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.2.3"
+  provider:
+    dependency: "direct main"
+    description:
+      name: provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.1"
   pub_semver:
     dependency: transitive
     description: