add a changelog label for the tooling updates

Author: muodov

.autorc

@@ -17,6 +17,13 @@
       "releaseType": "patch",
       "color": "#870048"
     },
+    {
+      "name": "infra-update",
+      "changelogTitle": "🔧 Infrastructure and tooling",
+      "description": "Updates not related to the dataset itself",
+      "releaseType": "patch",
+      "color": "#005887"
+    },
     {
       "name": "skip-release",
       "description": "Preserve the current version when merged",