Update dependency go to 1.25

Author: renovate[bot]

.github/workflows/update.yml

@@ -14,7 +14,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v3
       with:
-        go-version: 1.18
+        go-version: 1.25
 
     - name: Install Dependencies
       run: go install github.com/snowmerak/snowiki@latest