fix(deps): update dependency @adobe/helix-markdown-support to v7.1.7 (#748)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -43,7 +43,7 @@
     "node": ">=16.x"
   },
   "dependencies": {
-    "@adobe/helix-markdown-support": "7.1.6",
+    "@adobe/helix-markdown-support": "7.1.7",
     "@adobe/helix-shared-utils": "3.0.2",
     "@adobe/mdast-util-gridtables": "4.0.8",
     "@adobe/remark-gridtables": "3.0.8",