fix(deps): add pnpm overrides for next and ajv vulnerabilities

Add overrides to resolve Vanta/Dependabot findings:
- next >=15.5.10 (CVE-2025-59471, Dependabot #56)
- ajv >=8.18.0 (CVE-2025-69873, Dependabot #70, #71)

Resolves CIP-2761, CIP-2762

Author: tobyhede

package.json

@@ -59,7 +59,9 @@
       "lodash": ">=4.17.23",
       "minimatch": ">=10.2.1",
       "@isaacs/brace-expansion": ">=5.0.1",
-      "fast-xml-parser": ">=5.3.4"
+      "fast-xml-parser": ">=5.3.4",
+      "next": ">=15.5.10",
+      "ajv": ">=8.18.0"
     },
     "peerDependencyRules": {
       "ignoreMissing": [