fix: update go version

Author: jmattheis

.github/workflows/build.yml

@@ -7,7 +7,7 @@ jobs:
     steps:
       - uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6.1.0
         with:
-          go-version: 1.25.x
+          go-version: 1.26.x
       - uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f #v6.1.0
         with:
           node-version: '25'