ci: fix yamllint issues

.github/workflows/ci.yaml

@@ -12,7 +12,7 @@ on:
 
 concurrency:
   # yamllint disable-line rule:line-length
-  group: "${{ github.workflow }}-${{ github.head_ref || github.run_id }}"
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true
 
 jobs:
@@ -55,4 +55,3 @@ jobs:
           token: fake-valid-token
           report_paths: zfixtures/junit_example.xml
           mergify_api_server: http://localhost:1080
-

.yamllint.yml

@@ -0,0 +1,22 @@
+extends: default
+ignore: |
+  .git
+  docs/node_modules
+  zfixtures
+  .venv
+rules:
+  document-start: disable
+  truthy: disable
+  comments:
+    level: error
+  # Buggy checks:
+  # https://github.com/adrienverge/yamllint/issues/375
+  # https://github.com/adrienverge/yamllint/issues/141
+  # https://github.com/adrienverge/yamllint/issues/384
+  comments-indentation: disable
+  line-length:
+    max: 110
+  quoted-strings:
+    quote-type: double
+    required: only-when-needed
+    allow-quoted-quotes: true

action.yml

@@ -1,24 +1,24 @@
-name: 'gha-ci-issues'
-description: 'Upload JUnit XML report to Mergify CI Issues'
-author: 'Mergify'
+name: gha-ci-issues
+description: Upload JUnit XML report to Mergify CI Issues
+author: Mergify
 branding:
-  icon: 'at-sign'
-  color: 'blue'
+  icon: at-sign
+  color: blue
 inputs:
   token:
     required: true
-    description: 'CI Issues Application Key'
+    description: CI Issues Application Key
   report_paths:
     required: true
-    description: 'Paths of the files to upload'
+    description: Paths of the files to upload
   mergify_api_server:
     required: false
-    description: 'URL of the Mergify API'
+    description: URL of the Mergify API
     default: https://api.mergify.com/v1
   name:
     description: name of the current workflow job
 runs:
-  using: 'composite'
+  using: composite
   steps:
     - shell: bash
       env:
@@ -48,4 +48,3 @@ runs:
       with:
         name: ci-issues-junit-report
         path: ${{ inputs.report_paths }}
-