chore(deps): update dependency go to v1.25.0

Author: renovate[bot]

.github/workflows/go.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
-        go-version: '1.24'
+        go-version: '1.25'
 
     - name: Build
       run: make build

.github/workflows/lint.yaml

@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.24'
+          go-version: '1.25'
           cache: false
       - uses: actions/checkout@v4
       - name: golangci-lint

go.mod

@@ -2,7 +2,7 @@ module github.com/crossplane-contrib/xp-testing
 
 go 1.23.0
 
-toolchain go1.24.5
+toolchain go1.25.0
 
 require (
 	github.com/google/go-containerregistry v0.20.2