fix ansible typo

ansible/roles/docker/tasks/main.yml

@@ -1,23 +1,24 @@
 ---
 # https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository
 - name: Install docker
-  shell: |
-    set -e -o pipefail
-    apt-get update -y
-    apt-get install -y ca-certificates curl gnupg
-    install -m 0755 -d /etc/apt/keyrings
-    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
-    chmod a+r /etc/apt/keyrings/docker.gpg
+  shell:
+    executable: /usr/bin/bash
+    cmd: |
+      set -e -o pipefail
+      apt-get update -y
+      apt-get install -y ca-certificates curl gnupg
+      install -m 0755 -d /etc/apt/keyrings
+      curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+      chmod a+r /etc/apt/keyrings/docker.gpg
 
-    # Add the repository to Apt sources:
-    echo \
-      "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
-      "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
-      tee /etc/apt/sources.list.d/docker.list > /dev/null
-    apt-get -y update
+      # Add the repository to Apt sources:
+      echo \
+        "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
+        "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
+        tee /etc/apt/sources.list.d/docker.list > /dev/null
+      apt-get -y update
 
-    apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
-  executable: /usr/bin/bash
+      apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 
 - name: Copy daemon.json
   copy: