Add Go 1.20 support

Signed-off-by: Austin Vazquez <[email protected]>

Author: austinvazquez

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [1.18.x, 1.19.x]
+        go-version: [1.18.x, 1.19.x, 1.20.x]
         os: [ubuntu-22.04]
 
     steps:
@@ -45,7 +45,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [1.19.x]
+        go-version: [1.20.x]
         os: [ubuntu-22.04]
 
     steps:
@@ -65,7 +65,7 @@ jobs:
 
       - uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.50.1
+          version: v1.51.1
           working-directory: src/github.com/containerd/go-runc
           args: --timeout=5m
 
@@ -76,7 +76,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [1.18.x, 1.19.x]
+        go-version: [1.18.x, 1.19.x, 1.20.x]
         os: [ubuntu-22.04]
 
     steps: