CI/build: Update Go version, linters and fix minor issues (#1473)

* CI/build: Update Go version, linters and fix minor issues

* Bump golangci-lint to v1.56.1

* BinanceUS: Make uint usage consistent

* Throw blank identifiers into the trash

.github/workflows/arm64.Dockerfile

@@ -1,4 +1,4 @@
-FROM arm64v8/golang:1.21
+FROM arm64v8/golang:1.22
 
 WORKDIR /app
 

.github/workflows/linter.yml

@@ -8,9 +8,9 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.21.x'
+          go-version: '1.22.x'
           cache: false
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v4
         with:
-          version: v1.54.0
+          version: v1.56.1

.github/workflows/proto-lint.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.21.x
+          go-version: 1.22.x
 
       - name: Setup build depends
         run: |

.github/workflows/tests.yml

@@ -1,7 +1,7 @@
 on: [push, pull_request]
 name: CI
 env:
-  GO_VERSION: 1.21.x
+  GO_VERSION: 1.22.x
 jobs:
   backend-psql:
     name: GoCryptoTrader back-end