Update becheran/mlc action to v0.19.2

Author: AArnott

.github/workflows/docs_validate.yml

@@ -13,7 +13,7 @@ jobs:
       with:
         fetch-depth: 0 # avoid shallow clone so nbgv can do its work.
     - name: 🔗 Markup Link Checker (mlc)
-      uses: becheran/mlc@v0.19.0
+      uses: becheran/mlc@v0.19.2
       with:
         args: --do-not-warn-for-redirect-to https://learn.microsoft.com*,https://dotnet.microsoft.com/*,https://dev.azure.com/*,https://app.codecov.io/*,https://msrc.microsoft.com/*,https://www.microsoft.com/en-us/msrc* -p docfx -i https://aka.ms/onboardsupport,https://aka.ms/spot,https://www.microsoft.com/msrc/cvd,https://www.microsoft.com/msrc
     - name: ⚙ Install prerequisites