build: Update build to go 1.22.

.github/workflows/go.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: ["1.20", "1.21"]
+        go: ["1.21", "1.22"]
     steps:
       - name: Set up Go
         uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 #v5.0.0
@@ -17,6 +17,6 @@ jobs:
       - name: Build
         run: go build ./...
       - name: Install Linters
-        run: "curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.55.2"
+        run: "curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.56.1"
       - name: Test and Lint
         run: ./run_tests.sh

README.md

@@ -42,7 +42,7 @@ VSP will add the ticket to a pool of always-online voting wallets.
 
 ## Implementation
 
-vspd is built and tested on go 1.20 and 1.21, making use of the following
+vspd is built and tested on go 1.21 and 1.22, making use of the following
 libraries:
 
 - [gin-gonic/gin](https://github.com/gin-gonic/gin) webserver.