Require Go 1.20 for multierrors

.github/workflows/go.yml

@@ -7,18 +7,12 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-
-    - name: Set up Go 1.x
-      uses: actions/setup-go@v2
+    - uses: actions/checkout@v3
+    - uses: actions/setup-go@v3
       with:
-        go-version: ^1.18
-      id: go
-
-    - name: Check out code into the Go module directory
-      uses: actions/checkout@v2
-
+        go-version: '1.20.0-rc.3'
+        cache: true
     - name: Get dependencies
       run: go mod download
-
     - name: Test
-      run: go test -v ./...
+      run: go test -race -v ./...

go.mod

@@ -1,5 +1,5 @@
 module github.com/carlmjohnson/requests
 
-go 1.18
+go 1.20
 
 require golang.org/x/net v0.1.0