Merge pull request #691 from AkihiroSuda/followup-670

CI: containerd 1.5.8 -> 1.5.9

Author: AkihiroSuda

.github/workflows/test.yml

@@ -55,7 +55,7 @@ jobs:
     timeout-minutes: 30
     strategy:
       matrix:
-        containerd: [v1.4.5, v1.5.8, main]
+        containerd: [v1.4.5, v1.5.9, main]
     env:
       CONTAINERD_VERSION: "${{ matrix.containerd }}"
     steps:
@@ -80,7 +80,7 @@ jobs:
     timeout-minutes: 60
     strategy:
       matrix:
-        containerd: [v1.4.5, v1.5.8, main]
+        containerd: [v1.4.5, v1.5.9, main]
     env:
       CONTAINERD_VERSION: "${{ matrix.containerd }}"
     steps: