build(deps): bump http from 1.4.0 to 1.5.0

Bumps [http](https://github.com/dart-lang/http/tree/master/pkgs) from 1.4.0 to 1.5.0.
- [Release notes](https://github.com/dart-lang/http/releases)
- [Commits](https://github.com/dart-lang/http/commits/http-v1.5.0/pkgs)

---
updated-dependencies:
- dependency-name: http
  dependency-version: 1.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pubspec.lock

@@ -419,10 +419,10 @@ packages:
     dependency: "direct main"
     description:
       name: http
-      sha256: "2c11f3f94c687ee9bad77c171151672986360b2b001d109814ee7140b2cf261b"
+      sha256: bb2ce4590bc2667c96f318d68cac1b5a7987ec819351d32b1c987239a815e007
       url: "https://pub.dev"
     source: hosted
-    version: "1.4.0"
+    version: "1.5.0"
   http_parser:
     dependency: transitive
     description:

pubspec.yaml

@@ -30,7 +30,7 @@ dependencies:
   timezone: ^0.10.0 # flutter_local_notifications の依存関係に合わせて修正
 
   # AtCoder問題のスクレイピングに必要なパッケージ
-  http: ^1.4.0
+  http: ^1.5.0
   html: ^0.15.6
   flutter_markdown_plus: ^1.0.3
   flutter_code_editor: ^0.3.4