build: bump Go version to 1.25

Signed-off-by: Tommy Nguyen <tuannvm@hotmail.com>

Author: tuannvm

.github/workflows/build.yml

@@ -22,7 +22,7 @@ permissions:
   checks: write
 
 env:
-  GO_VERSION: "1.24.9"
+  GO_VERSION: "1.25"
 
 jobs:
   # Static analysis and code quality check

.github/workflows/test.yml

@@ -10,7 +10,7 @@ permissions:
   contents: read
 
 env:
-  GO_VERSION: "1.24.9"
+  GO_VERSION: "1.25"
 
 jobs:
   test:

go.mod

@@ -1,6 +1,6 @@
 module github.com/tuannvm/oauth-mcp-proxy
 
-go 1.24.9
+go 1.25
 
 require (
 	github.com/coreos/go-oidc/v3 v3.16.0