Update md_links.yml

Author: zacharyweiss

.github/workflows/md_links.yml

@@ -12,6 +12,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
-    - uses: gaurav-nelson/github-action-markdown-link-check@v1.0.15
+    - uses: gaurav-nelson/github-action-markdown-link-check@1.0.15
       with:
         use-verbose-mode: 'yes'