Add FOSS4G-EU 2025 link - 01-introduction.ipynb

Author: justb4

workshop/jupyter/content/notebooks/01-introduction.ipynb

@@ -8,7 +8,7 @@
    "source": [
     "#### Doing Geospatial in Python\n",
     "\n",
-    "Version: 1.5, 2024-12-02\n",
+    "Version: 1.6dev, 2025-07-08\n",
     "\n",
     "<img style=\"float: left;\" src=\"images/geopython-logo.png\">\n",
     "\n",
@@ -28,7 +28,7 @@
     "\n",
     "The workshop is provided using the Jupyter Notebook environment with Python 3.\n",
     "\n",
-    "## [FOSS4G 2024](https://2024.foss4g.org) workshop team\n",
+    "## [FOSS4G-EU 2025](https://2025.europe.foss4g.org/) workshop team\n",
     "\n",
     "\n",
     "<table>\n",