Update package dependencies, add energy consumption data to series.json, and create a technical glossary page

package.json

@@ -14,7 +14,7 @@
     "@mui/icons-material": "^7.3.4",
     "@mui/material": "^7.3.4",
     "googleapis": "^165.0.0",
-    "next": "15.5.6",
+    "next": "^15.5.9",
     "react": "19.1.0",
     "react-dom": "19.1.0"
   },