Update dependency go to 1.26.x

Author: ske-renovate-ce[bot]

.github/workflows/release.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: 1.25.x
+          go-version: 1.26.x
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
         with:

.github/workflows/tests.yaml

@@ -21,7 +21,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v6
         with:
-          go-version: 1.25.x
+          go-version: 1.26.x
 
       - name: Checkout code
         uses: actions/checkout@v6
@@ -63,7 +63,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v6
         with:
-          go-version: 1.25.x
+          go-version: 1.26.x
 
       - name: Create k8s Kind Cluster
         uses: helm/kind-action@v1.14.0