update to go 1.20, update CI scripts (#65)

.github/workflows/linux.yml

@@ -7,10 +7,10 @@ on:
     branches: [main]
 
 jobs:
-  build:
+  test:
     strategy:
       matrix:
-        go-version: [1.18.x, 1.19.x]
+        go-version: [1.19.x, 1.20.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -30,3 +30,29 @@ jobs:
         run: |
           cd github.com/vanadium/go.lib
           go test --race --covermode=atomic ./...
+
+  linting:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          path: github.com/vanadium/go.lib
+
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: 1.20.x
+          cache: true
+          cache-dependency-path: github.com/vanadium/go.lib/go.sum
+
+      - name: Lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: latest
+          working-directory: github.com/vanadium/go.lib
+
+      - name: Vulnerabilities
+        run: |
+          go install golang.org/x/vuln/cmd/govulncheck@latest
+          cd github.com/vanadium/go.lib && govulncheck ./...

README.md

@@ -1,7 +1,6 @@
 ![linux](https://github.com/vanadium/go.lib/actions/workflows/linux.yml/badge.svg)
 ![macos](https://github.com/vanadium/go.lib/actions/workflows/macos.yml/badge.svg)
 ![windows](https://github.com/vanadium/go.lib/actions/workflows/windows.yml/badge.svg)
-![lint-govuln](https://github.com/vanadium/go.lib/actions/workflows/lint-govuln.yml/badge.svg)
 ![CodeQL](https://github.com/vanadium/go.lib/actions/workflows/codeql.yml/badge.svg)
 
 This repository contains general purpose libraries created by and used by the