circleci: switch to 2.1 config (#385)

Signed-off-by: Simon Pasquier <spasquie@redhat.com>

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6efefa9400155cc636327bda0e98bd2d2872ce7f..d287c484659a99a449ada64e11421cfd920a8908 100644 (file)
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,5 +1,5 @@
 ---
-version: 2
+version: 2.1
 
 jobs:
   # IPv6 tests require the machine executor.
@@ -15,7 +15,7 @@ jobs:
     - run:
         name: enable ipv6
         command: |
-          cat <<'EOF' | sudo tee /etc/docker/daemon.json
+          cat \<<'EOF' | sudo tee /etc/docker/daemon.json
           {
             "ipv6": true,
             "fixed-cidr-v6": "2001:db8:1::/64"