build: Upgrade to Go 1.25

Author: kyleconroy

.github/workflows/ci.yml

@@ -30,7 +30,7 @@ jobs:
     - uses: actions/checkout@v5
     - uses: actions/setup-go@v5
       with:
-        go-version: '1.24.1'
+        go-version: '1.25.0'
 
     - name: install gotestsum
       run: go install gotest.tools/gotestsum@latest