bump go version to go 1.25 (#912)

Signed-off-by: yxxhero <aiopsclub@163.com>

Author: yxxhero

.github/workflows/lint.yaml

@@ -21,4 +21,4 @@ jobs:
           go-version-file: 'go.mod'
       - uses: golangci/golangci-lint-action@v9
         with:
-          version: v2.1.6
+          version: v2.7.2

go.mod

@@ -1,6 +1,6 @@
 module github.com/databus23/helm-diff/v3
 
-go 1.24.9
+go 1.25
 
 require (
 	github.com/Masterminds/semver/v3 v3.4.0