Bump linter from 1.25.0 to 1.26.0 in /auto_submit (#1969)

diff --git a/auto_submit/pubspec.lock b/auto_submit/pubspec.lock
index e22e8e2..edca7dd 100644
--- a/auto_submit/pubspec.lock
+++ b/auto_submit/pubspec.lock
@@ -14,14 +14,14 @@
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "40.0.0"
+    version: "41.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.1.0"
+    version: "4.2.0"
   appengine:
     dependency: "direct main"
     description:
@@ -392,7 +392,7 @@
       name: linter
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.25.0"
+    version: "1.26.0"
   lints:
     dependency: "direct dev"
     description:
diff --git a/auto_submit/pubspec.yaml b/auto_submit/pubspec.yaml
index 1b702fb..2e9a2b1 100644
--- a/auto_submit/pubspec.yaml
+++ b/auto_submit/pubspec.yaml
@@ -29,7 +29,7 @@
 dev_dependencies:
   build_runner: ^2.1.11
   json_serializable: ^6.3.1
-  linter: ^1.25.0
+  linter: ^1.26.0
   lints: ^1.0.0
   mockito: ^5.0.14
   test: ^1.21.4