Update dependency tcort/markdown-link-check to v3.13.6 (open-telemetry#36555)

Author: renovate[bot]

.github/workflows/changelog.yml

@@ -16,7 +16,7 @@ env:
   # We limit cache download as a whole to 5 minutes.
   SEGMENT_DOWNLOAD_TIMEOUT_MINS: 2
   # renovate: datasource=github-releases depName=tcort/markdown-link-check
-  MD_LINK_CHECK_VERSION: "3.12.2"
+  MD_LINK_CHECK_VERSION: "3.13.6"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref }}

.github/workflows/check-links.yaml

@@ -11,7 +11,7 @@ concurrency:
 
 env:
   # renovate: datasource=github-releases depName=tcort/markdown-link-check
-  MD_LINK_CHECK_VERSION: "3.12.2"
+  MD_LINK_CHECK_VERSION: "3.13.6"
 
 jobs:
   changedfiles: