[Bug]: latest version of mkdocs feature fails with babel error (#542)

Author: danielbraun89

src/mkdocs/devcontainer-feature.json

@@ -1,6 +1,6 @@
 {
     "id": "mkdocs",
-    "version": "2.0.17",
+    "version": "2.0.18",
     "name": "MkDocs (via pipx)",
     "documentationURL": "http://github.com/devcontainers-contrib/features/tree/main/src/mkdocs",
     "description": "MkDocs is a fast, simple and downright gorgeous static site generator that's geared towards building project documentation.",
@@ -25,5 +25,6 @@
     "installsAfter": [
         "ghcr.io/devcontainers-contrib/features/pipx-package",
         "ghcr.io/devcontainers/features/python"
-    ]
+    ],
+    "containerEnv" : {"TZ": "UTC"}
 }

test/mkdocs/scenarios.json

@@ -4,5 +4,11 @@
         "features": {
             "mkdocs": {}
         }
+    },
+    "test_ubuntu": {
+        "image": "mcr.microsoft.com/vscode/devcontainers/base:ubuntu-22.04",
+        "features": {
+            "mkdocs": {}
+        }
     }
 }

test/mkdocs/test_ubuntu.sh

@@ -0,0 +1,9 @@
+#!/bin/bash -i
+
+set -e
+
+source dev-container-features-test-lib
+
+check "mkdocs --version" mkdocs --version
+
+reportResults