chore(deps): update dependency undici@>=6.0.0 <6.21.2 to v7

Author: renovate[bot]

package.json

@@ -51,7 +51,7 @@
       "mermaid-isomorphic": "github:silverhand-io/mermaid-isomorphic#c081c30",
       "prismjs@<1.30.0": "^1.30.0",
       "vite": "^6.2.7",
-      "undici@>=6.0.0 <6.21.2": "^6.21.2",
+      "undici@>=6.0.0 <6.21.2": "^7.0.0",
       "undici@<5.29.0": "^5.29.0",
       "brace-expansion@>=2.0.0 <=2.0.1": "^2.0.2",
       "form-data@>=4.0.0 <4.0.4": "^4.0.4"