fix: use yaml kind instead of json kind for devcontainer.json

JSON is valid YAML, and updatecli's yaml kind uses yq which handles
bracket notation better than the json kind's JSONPath implementation.

Author: gounthar

updatecli/updatecli.d/devcontainer.yaml

@@ -40,23 +40,23 @@ targets:
   dockerVersion:
     name: 'deps(devcontainer): update Docker version'
     scmid: default
-    kind: json
+    kind: yaml
     sourceid: dockerLatestMinor
     spec:
       file: .devcontainer/devcontainer.json
-      key: '$.features["ghcr.io/devcontainers/features/docker-in-docker:2"].version'
+      key: '.features["ghcr.io/devcontainers/features/docker-in-docker:2"].version'
     transformers:
       - trimprefix: v
       - addprefix: v
 
   githubcliVersion:
     name: 'deps(devcontainer): update GitHub CLI version'
     scmid: default
-    kind: json
+    kind: yaml
     sourceid: githubcliLatestMinor
     spec:
       file: .devcontainer/devcontainer.json
-      key: '$.features["ghcr.io/devcontainers/features/github-cli:1"].version'
+      key: '.features["ghcr.io/devcontainers/features/github-cli:1"].version'
     transformers:
       - trimprefix: v
       - addprefix: v