Update to Go 1.21

Author: llamborda

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
-        go-version: '1.20'
+        go-version: '1.21'
 
     - name: Build
       run: go build -v ./...

.github/workflows/lint.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.21'
           cache: false
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3

go.mod

@@ -1,3 +1,3 @@
 module github.com/extintor/bencode
 
-go 1.19
+go 1.21