Renamed workflow/step/file names from 'check' to 'validate'

Author: adamlui

…hub/workflows/check-links-on-push-pr.yml …/workflows/validate-links-on-push-pr.yml.github/workflows/check-links-on-push-pr.yml renamed to .github/workflows/validate-links-on-push-pr.yml .github/workflows/check-links-on-push-pr.yml renamed to .github/workflows/validate-links-on-push-pr.yml

@@ -1,4 +1,4 @@
-name: Check links on push + PR
+name: Validate links on push + PR
 
 on:
   push:
@@ -18,7 +18,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6.0.2
 
-      - name: Check links
+      - name: Validate links
         uses: lycheeverse/lychee-action@v2.8.0
         with:
           # Check all MD files, ignore ok/redir/blocked/rate-limited, exclude commonly down domains