chore(deps): update dependency go to v1.26.0 (#169)

* Update dependency go to v1.26.0

* Add nix dev shell

* Go mod tidy

* Remove version in glangci-lint

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Dave Gallant <davegallant@proton.me>

.github/workflows/golangci-lint.yml

@@ -15,11 +15,9 @@ jobs:
     steps:
       - uses: actions/setup-go@v6
         with:
-          go-version: 1.25
+          go-version: 1.26
       - uses: actions/checkout@v6
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v9
-        with:
-          version: v2.6.2
       - name: test
         run: make test

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
         name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.25"
+          go-version: "1.26"
       -
         name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6