Accessibility: Add WCAG accessibility issue automation (#31479)

.github/ISSUE_TEMPLATE/accessibility_issue.yaml

@@ -0,0 +1,37 @@
+name: Accessibility issue
+description: Create an issue that is automatically attached to the WCAG 2.1 AA Tracking Issue
+title: '[Accessibility]: '
+labels:
+- 'accessibility'
+- 'wcag/2.1'
+- 'wcag/2.1/fixing'
+- 'estimate/3d'
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for your contribution to the accessibility of Sourcegraph!
+
+        Please note that this issue has been automatically given an estimate of **3 days**.
+        You can modify this estimate by changing the label from *estimate/3d* to *estimate/Xd* where X is the correct number of days.
+  - type: textarea
+    id: problem-description
+    attributes:
+      label: Problem description
+      description: Please describe the issue is as much detail as possible
+    validations:
+      required: true
+  - type: textarea
+    id: solution-description
+    attributes:
+      label: Expected behavior
+      description: Please describe the expected behavior
+    validations:
+      required: true
+  - type: textarea
+    id: additional-details
+    attributes:
+      label: Additional details
+      description: Notes and/or screenshot describing the problem, details how to replicate, etc
+    validations:
+      required: false

.github/workflows/label-move.yml

@@ -198,3 +198,25 @@ jobs:
               }
             }
           }' -f project=$PROJECT_ID -f node_id=$NODE_ID
+  wcag-accessibility-board:
+    runs-on: ubuntu-latest
+    env:
+      PROJECT_ID: PN_kwDOADy5QM4AAyDB # https://github.com/orgs/sourcegraph/projects/238
+      GITHUB_TOKEN: ${{ secrets.GH_PROJECTS_ACTION_TOKEN }}
+    steps:
+    - name: Get issue if relevant
+      if: ${{ contains(github.event.issue.labels.*.name, 'wcag/2.1') }}
+      env:
+        NODE_ID: ${{ github.event.issue.node_id }}
+      run: echo 'NODE_ID='$NODE_ID >> $GITHUB_ENV
+    - name: Add to Accessibility board
+      if: ${{ env.NODE_ID != '' }}
+      run: |
+        gh api graphql --header 'GraphQL-Features: projects_next_graphql' -f query='
+          mutation($project:ID!, $node_id:ID!) {
+            addProjectNextItem(input: {projectId: $project, contentId: $node_id}) {
+              projectNextItem {
+                id
+              }
+            }
+          }' -f project=$PROJECT_ID -f node_id=$NODE_ID