upgrade all dependencies (#76)

.github/workflows/go.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        go-version: [1.18.x]
+        go-version: [1.19.x, 1.20.x]
         os: [ubuntu-latest]
     steps:
       - name: Set up Go ${{ matrix.go-version }} on ${{ matrix.os }}
@@ -30,6 +30,6 @@ jobs:
         env:
           GO111MODULE: on
         run: |
-          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.46.2
+          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin
           $(go env GOPATH)/bin/golangci-lint run --timeout=5m --config ./.golangci.yml
           go test -v -race ./...

.github/workflows/vulncheck.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [ 1.19 ]
+        go-version: [ 1.19.x, 1.20.x ]
     steps:
     - name: Check out code into the Go module directory
       uses: actions/checkout@v3

.golangci.yml

@@ -15,13 +15,10 @@ linters:
     - revive
     - ineffassign
     - gosimple
-    - deadcode
     - gomodguard
     - gofmt
     - unused
-    - structcheck
     - unconvert
-    - varcheck
     - gocritic
     - gofumpt
     - tenv