Update dependency go to 1.26

Author: renovate[bot]

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-go@v5
         with:
-          go-version: 1.16
+          go-version: 1.26
       - uses: goreleaser/goreleaser-action@v2
         with:
           version: latest

.github/workflows/test.yml

@@ -12,5 +12,5 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v5
         with:
-          go-version: 1.16
+          go-version: 1.26
       - run: go test -v ./...