Always use yaml instead of sometimes yml

Author: Simran-B

content/README.md

@@ -57,7 +57,7 @@ See [Versioning](#versioning) for more info.
 
 Example that applies to GitHub.com and recent versions of GitHub Enterprise Server:
 
-```yml
+```yaml
 title: About your personal dashboard
 versions:
   free-pro-team: '*'
@@ -67,15 +67,15 @@ versions:
 Example that applies to all supported versions of GitHub Enterprise Server:
 (but not GitHub.com):
 
-```yml
+```yaml
 title: Downloading your license
 versions:
   enterprise-server: '*'
 ```
 
 You can also version a page for a range of releases. This would version the page for GitHub Enterprise Server 2.22 and 3.0 only:
 
-```yml
+```yaml
 versions:
   free-pro-team: '*'
   enterprise-server: '>=2.22 <3.1'
@@ -89,7 +89,7 @@ versions:
 
 Example:
 
-```yml
+```yaml
 title: Getting started with GitHub Desktop
 redirect_from:
   - /articles/first-launch/
@@ -113,7 +113,7 @@ See [`contributing/redirects`](contributing/redirects.md) for more info.
 
 Example:
 
-```yml
+```yaml
 title: Contributing to projects with GitHub Desktop
 shortTitle: Contributing to projects
 ```
@@ -233,7 +233,7 @@ defaultTool: cli
 
 Example:
 
-```yml
+```yaml
 includeGuides:
   - /actions/guides/about-continuous-integration
   - /actions/guides/setting-up-continuous-integration-using-workflow-templates
@@ -258,7 +258,7 @@ includeGuides:
 
 Example:
 
-```yml
+```yaml
 contributor:
   name: ACME, inc.
   URL: https://acme.example.com/

content/code-security/secure-coding/uploading-a-sarif-file-to-github.md

@@ -91,7 +91,7 @@ This example workflow runs anytime commits are pushed to the repository. The act
 
 The workflow shows an example of running the ESLint static analysis tool as a step in a workflow. The `Run ESLint` step runs the ESLint tool and outputs the `results.sarif` file. The workflow then uploads the `results.sarif` file to {% data variables.product.prodname_dotcom %} using the `upload-sarif` action. For more information about creating a workflow file, see "[Introduction to GitHub Actions](/actions/learn-github-actions/introduction-to-github-actions)."
 
-```yml
+```yaml
 name: "ESLint analysis"
 
 # Run workflow each time code is pushed to your repository and on a schedule.

content/github/finding-security-vulnerabilities-and-errors-in-your-code/uploading-a-sarif-file-to-github.md

@@ -85,7 +85,7 @@ This example workflow runs anytime commits are pushed to the repository. The act
 
 The workflow shows an example of running the ESLint static analysis tool as a step in a workflow. The `Run ESLint` step runs the ESLint tool and outputs the `results.sarif` file. The workflow then uploads the `results.sarif` file to {% data variables.product.prodname_dotcom %} using the `upload-sarif` action. For more information about creating a workflow file, see "[Introduction to GitHub Actions](/actions/learn-github-actions/introduction-to-github-actions)."
 
-```yml
+```yaml
 name: "ESLint analysis"
 
 # Run workflow each time code is pushed to your repository and on a schedule.

data/variables/README.md

@@ -8,7 +8,7 @@ The *path*, *filename*, and *keys* within each YAML file determine what its path
 
 For example, given a file `data/variables/foo/bar.yml`:
 
-```yml
+```yaml
 # multiple short strings in one file
 meaning_of_life: 42