Fix vulnerabilities in examples

- update 'express' (4.21.1 => 4.21.2)
- update 'cross-spawn' (7.0.3 => 7.0.6)

Author: laurent-yoti

examples/digital-identity/package-lock.json

@@ -16,7 +16,7 @@
     "body-parser": "1.20.3",
     "dotenv": "16.0.2",
     "ejs": "3.1.10",
-    "express": "4.21.1",
+    "express": "4.21.2",
     "yoti": "file:../.."
   },
   "devDependencies": {

examples/digital-identity/package.json

@@ -14,7 +14,7 @@
     "body-parser": "1.20.3",
     "dotenv": "16.0.2",
     "ejs": "3.1.10",
-    "express": "4.21.1",
+    "express": "4.21.2",
     "express-session": "1.18.1",
     "yoti": "file:../.."
   },

examples/idv-identity-checks/package-lock.json

@@ -14,7 +14,7 @@
     "body-parser": "1.20.3",
     "dotenv": "16.0.2",
     "ejs": "3.1.10",
-    "express": "4.21.1",
+    "express": "4.21.2",
     "express-session": "1.18.1",
     "yoti": "file:../.."
   },