Update TOC.yml

Author: v-akarnase

articles/hdinsight/TOC.yml

@@ -279,6 +279,8 @@ items:
         items:
         - name: Known issues in HDInsight
           href: ./hdinsight-known-issues.md
+        - name: Conda version regression in a recent HDInsight release
+          href: ./hdinsight-known-issues-conda-version-regression.md
       - name: Request increase for CPU core quota
         href: ./quota-increase-request.md
       - name: Troubleshoot Apache Ambari Metrics Collector