Make check actions non-blocking

Author: AlisherAmonulloev

.github/workflows/check-images.yml

@@ -19,6 +19,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Check for unused images
+        continue-on-error: true
         run: |
           unused=()
 

.github/workflows/check-readme.yml

@@ -21,6 +21,7 @@ jobs:
 
       - name: Check links in README
         uses: lycheeverse/lychee-action@v1
+        continue-on-error: true
         with:
           args: --verbose --no-progress './**/[Rr][Ee][Aa][Dd][Mm][Ee].md' --exclude-file .lycheeignore
           fail: true