Replace docker extension with container extension

Author: medihack

.devcontainer/devcontainer.json

@@ -28,7 +28,7 @@
         "mhutchie.git-graph",
         "mikestead.dotenv",
         "monosans.djlint",
-        "ms-azuretools.vscode-docker",
+        "ms-azuretools.vscode-containers",
         "ms-pyright.pyright",
         "ms-python.python",
         "streetsidesoftware.code-spell-checker",

.vscode/extensions.json

@@ -12,7 +12,7 @@
     "mhutchie.git-graph",
     "mikestead.dotenv",
     "monosans.djlint",
-    "ms-azuretools.vscode-docker",
+    "ms-azuretools.vscode-containers",
     "ms-pyright.pyright",
     "ms-python.python",
     "streetsidesoftware.code-spell-checker",