fixed repo link and added ref

Author: JohnTurnerNIH

Diff for: .github/workflows/check-links-self.yaml

@@ -7,6 +7,6 @@ on:
 jobs:
   link_check:
     name: 'Link Check'
-    uses: NIGMS/NIGMS-Sandbox/.github/workflows/check-links.yaml@reusable_workflow
+    uses: NIGMS/NIGMS-Sandbox/.github/workflows/check-links.yaml@main
     with:
       repo_link_ignore_list: ""

Diff for: .github/workflows/notebook-lint-self.yaml

@@ -9,6 +9,6 @@ permissions:
 jobs:
   lint:
     name: 'Linting'
-    uses: NIGMS/NIGMS-Sandbox/.github/workflows/notebook-lint.yaml@reusable_workflow
+    uses: NIGMS/NIGMS-Sandbox/.github/workflows/notebook-lint.yaml@main
     with:
       directory: .