deps: Upgrade Flutter to latest main, 3.17.0-10.0.pre.45

And update Flutter's supporting libraries to match.

pubspec.lock

@@ -664,10 +664,10 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "2c30f27ada446b4d36307aade893faaaeb6d8f55b2362b7f424a9668fcc43f4d"
+      sha256: "04be76c4a4bb50f14904e64749237e541e7c7bcf7ec0b196907322ab5d2fc739"
       url: "https://pub.dev"
     source: hosted
-    version: "9.0.14"
+    version: "9.0.16"
   leak_tracker_testing:
     dependency: transitive
     description:
@@ -1213,10 +1213,10 @@ packages:
     dependency: transitive
     description:
       name: web
-      sha256: afe077240a270dcfd2aafe77602b4113645af95d0ad31128cc02bce5ac5d5152
+      sha256: edc8a9573dd8c5a83a183dae1af2b6fd4131377404706ca4e5420474784906fa
       url: "https://pub.dev"
     source: hosted
-    version: "0.3.0"
+    version: "0.4.0"
   web_socket_channel:
     dependency: transitive
     description:
@@ -1282,5 +1282,5 @@ packages:
     source: hosted
     version: "3.1.2"
 sdks:
-  dart: ">=3.3.0-91.0.dev <4.0.0"
-  flutter: ">=3.16.0-23.0.pre.38"
+  dart: ">=3.3.0-145.0.dev <4.0.0"
+  flutter: ">=3.17.0-10.0.pre.45"

pubspec.yaml

@@ -24,8 +24,8 @@ environment:
   # that by the time we want to release, these will have become stable.
   # TODO: Before general release, switch to stable Flutter and Dart versions,
   #   or pin exact versions: https://github.com/zulip/zulip-flutter/issues/15
-  sdk: '>=3.3.0-91.0.dev <4.0.0'
-  flutter: '>=3.16.0-23.0.pre.38'
+  sdk: '>=3.3.0-145.0.dev <4.0.0'
+  flutter: '>=3.17.0-10.0.pre.45'
 
 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions