Update extension list

Author: github-actions[bot]

extensions.json

@@ -376,6 +376,54 @@
       ],
       "tags": []
     },
+    {
+      "name": "pqr",
+      "title": "Quarto Document with Python and R",
+      "description": "A Quarto document that executes Python and R code.",
+      "homepage": "https://github.com/posit-dev/connect-extensions/tree/main/extensions/pqr",
+      "latestVersion": {
+        "version": "0.1.0",
+        "released": "2025-09-12T19:27:07Z",
+        "url": "https://github.com/posit-dev/connect-extensions/releases/download/pqr%40v0.1.0/pqr.tar.gz",
+        "minimumConnectVersion": "2025.04.0",
+        "requiredEnvironment": {
+          "python": {
+            "requires": ">=3.11"
+          },
+          "quarto": {
+            "requires": ">=1.4"
+          },
+          "r": {
+            "requires": ">=4.3"
+          }
+        }
+      },
+      "versions": [
+        {
+          "version": "0.1.0",
+          "released": "2025-09-12T19:27:07Z",
+          "url": "https://github.com/posit-dev/connect-extensions/releases/download/pqr%40v0.1.0/pqr.tar.gz",
+          "minimumConnectVersion": "2025.04.0",
+          "requiredEnvironment": {
+            "python": {
+              "requires": ">=3.11"
+            },
+            "quarto": {
+              "requires": ">=1.4"
+            },
+            "r": {
+              "requires": ">=4.3"
+            }
+          }
+        }
+      ],
+      "tags": [
+        "python",
+        "quarto",
+        "r"
+      ],
+      "category": "example"
+    },
     {
       "name": "publisher-command-center",
       "title": "Publisher Command Center",