fix(ci): update go version in action as well

Signed-off-by: Samuel Gaist <samuel.gaist@idiap.ch>

Author: sgaist

.github/workflows/build.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
-          go-version: '1.22'
+          go-version: '1.26'
       - name: Run tests
         run: make test
       - name: Send coverage report to coveralls