examples: update debian.yaml

Expected to fix #84

Signed-off-by: Akihiro Suda <[email protected]>

Author: AkihiroSuda

examples/debian.yaml

@@ -1,7 +1,7 @@
 images:
-  - location: "https://cloud.debian.org/images/cloud/bullseye/daily/20210608-662/debian-11-generic-amd64-daily-20210608-662.qcow2"
+  - location: "https://cloud.debian.org/images/cloud/bullseye/daily/20210627-686/debian-11-generic-amd64-daily-20210627-686.qcow2"
     arch: "x86_64"
-  - location: "https://cloud.debian.org/images/cloud/bullseye/daily/20210608-662/debian-11-generic-arm64-daily-20210608-662.qcow2"
+  - location: "https://cloud.debian.org/images/cloud/bullseye/daily/20210627-686/debian-11-generic-arm64-daily-20210627-686.qcow2"
     arch: "aarch64"
 mounts:
   - location: "~"