collect OS + version repro_template.ipynb, fix link to open new issue…

… by adding &labels=bug&template=bug_report.yaml

as suggested in #3537 (comment)

.devcontainer/repro_template.ipynb

@@ -16,36 +16,27 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "date: 2024-01-08\n",
-      "Python version: 3.11.6\n",
-      "pymatgen version: 2023.11.12\n",
-      "pymatgen version: 2023.11.12\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "# Collect Python version, pymatgen version and current date\n",
     "from __future__ import annotations\n",
     "\n",
+    "import platform\n",
     "import sys\n",
     "from datetime import datetime\n",
     "from importlib.metadata import version\n",
     "\n",
     "print(f\"date: {datetime.today():%Y-%m-%d}\")\n",
     "print(f\"Python version: {sys.version.split()[0]}\")\n",
-    "print(f\"pymatgen version: {version('pymatgen')}\")"
+    "print(f\"pymatgen version: {version('pymatgen')}\")\n",
+    "print(f\"OS: {platform.system()} {platform.release()}\")"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Then, your code to reproduce issue goes below\n"
+    "## Code to reproduce issue goes below\n"
    ]
   },
   {
@@ -65,7 +56,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Now share the code and outputs in a [new GitHub issue](https://github.com/materialsproject/pymatgen/issues/new)\n"
+    "### Now share the code and outputs in a [new GitHub issue](https://github.com/materialsproject/pymatgen/issues/new?&labels=bug&template=bug_report.yaml)\n"
    ]
   }
  ],