chore(deps): update dependency go to 1.25

Author: renovate[bot]

.github/workflows/oats-tests.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
         with:
-          go-version: '1.24'
+          go-version: '1.25'
 
       - name: Run acceptance tests
         run: .github/scripts/run-oats-tests.sh