Remove unneeded quotes from markdownlint config

.markdownlint.yml

 ---
 # Base Markdownlint configuration
 # Extended Markdownlint configuration in doc/.markdownlint/
-"default": true
-"first-header-h1": true
-"header-style":
-  "style": "atx"
-"ul-style":
-  "style": "dash"
-"no-trailing-spaces": false
-"line-length": false
-"no-duplicate-header":
-  "allow_different_nesting": true
-"no-trailing-punctuation":
-  "punctuation": ".,;:!。，；：！？"
-"ol-prefix":
-  "style": "one"
-"no-inline-html": false
-"hr-style":
-  "style": "---"
-"no-emphasis-as-heading": false
-"first-line-h1": false
-"code-block-style":
-  "style": "fenced"
-"proper-names":
-  "names": [
+default: true
+first-header-h1: true
+header-style:
+  style: "atx"
+ul-style:
+  style: "dash"
+no-trailing-spaces: false
+line-length: false
+no-duplicate-header:
+  allow_different_nesting: true
+no-trailing-punctuation:
+  punctuation: ".,;:!。，；：！？"
+ol-prefix:
+  style: "one"
+no-inline-html: false
+hr-style:
+  style: "---"
+no-emphasis-as-heading: false
+first-line-h1: false
+code-block-style:
+  style: "fenced"
+proper-names:
+  names: [
     "Akismet",
     "Alertmanager",
     "API",
@@ -139,4 +139,4 @@
     "YAML",
     "YouTrack"
   ]
-  "code_blocks": false
+  code_blocks: false

doc/.markdownlint/markdownlint-no-trailing-spaces.yml

 ---
 # Extended Markdown configuration to enforce no-trailing-spaces rule
-"extends": "../../.markdownlint.yml"
-"no-trailing-spaces": true
+extends: "../../.markdownlint.yml"
+no-trailing-spaces: true

doc/ci/yaml/artifacts_reports.md

@@ -167,7 +167,7 @@ GitLab can display the results of one or more reports in:
 The `dotenv` report collects a set of environment variables as artifacts.
 
 The collected variables are registered as runtime-created variables of the job,
-which is useful to [set dynamic environment URLs after a job finishes](../environments/index.md#set-dynamic-environment-urls-after-a-job-finishes).
+which you can use to [set dynamic environment URLs after a job finishes](../environments/index.md#set-dynamic-environment-urls-after-a-job-finishes).
 
 The exceptions to the [original dotenv rules](https://github.com/motdotla/dotenv#rules) are: