build: update Go to 1.25

- Update Go version to 1.25 in go.mod
- Update Docker build image to golang:1.25-alpine
- Update CI pipeline to use golang:1.25
- Update dependencies to latest compatible versions

.drone.yml

@@ -5,7 +5,7 @@ name: default
 
 steps:
 - name: test
-  image: golang:1.24
+  image: golang:1.25
   volumes:
   - name: deps
     path: /go
@@ -44,6 +44,6 @@ volumes:
 
 ---
 kind: signature
-hmac: a7bb16cf7f4a0195435980fb6a90b9d1092a50c1dba87636dae891600f4b86b0
+hmac: b1f03a1749f6225e46b015ffe751360940145bd78c55da7ddfcdb49b2da247a5
 
 ...