Adding bicep.png back to lycheeignore to fix Validation build job issues (#669)

* Adding bicep.png back to lycheeignore to fix Validation build job issues

* Updated lychee-action to 1.8.0 everywhere, added SVG and PNG to .lycheeignore

.github/workflows/brokenlinks.yml

@@ -16,7 +16,7 @@ jobs:
 
       - name: Link Checker
         id: lychee
-        uses: lycheeverse/lychee-action@v1.5.4
+        uses: lycheeverse/lychee-action@v1.8.0
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
         with:
@@ -61,7 +61,7 @@ jobs:
 
       - name: Link Checker
         id: lychee
-        uses: lycheeverse/lychee-action@v1.5.4
+        uses: lycheeverse/lychee-action@v1.8.0
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
         with:

.lycheeignore

@@ -1,3 +1,5 @@
 http://shell.azure.com
 https://shell.azure.com
 https://portal.azure.com/#cloudshell/
+./*.png
+./*.svg