fix: backend/package.json & backend/package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-CRYPTOJS-6028119

backend/package-lock.json

@@ -28,7 +28,7 @@
         "bigint-conversion": "^2.4.0",
         "cookie-parser": "^1.4.6",
         "cors": "^2.8.5",
-        "crypto-js": "^4.1.1",
+        "crypto-js": "^4.2.0",
         "dotenv": "^16.0.1",
         "express": "^4.18.1",
         "express-async-errors": "^3.1.1",
@@ -7516,9 +7516,9 @@
       }
     },
     "node_modules/crypto-js": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-4.1.1.tgz",
-      "integrity": "sha512-o2JlM7ydqd3Qk9CA0L4NL6mTzU2sdx96a+oOfPu8Mkl/PK51vSyoi8/rQ8NknZtk44vq15lmhAj9CIAGwgeWKw=="
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-4.2.0.tgz",
+      "integrity": "sha512-KALDyEYgpY+Rlob/iriUtjV6d5Eq+Y191A5g4UqLAi8CyGP9N1+FdVbkc1SxKc2r4YAYqG8JzO2KGL+AizD70Q=="
     },
     "node_modules/dateformat": {
       "version": "4.6.3",
@@ -22672,9 +22672,9 @@
       }
     },
     "crypto-js": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-4.1.1.tgz",
-      "integrity": "sha512-o2JlM7ydqd3Qk9CA0L4NL6mTzU2sdx96a+oOfPu8Mkl/PK51vSyoi8/rQ8NknZtk44vq15lmhAj9CIAGwgeWKw=="
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-4.2.0.tgz",
+      "integrity": "sha512-KALDyEYgpY+Rlob/iriUtjV6d5Eq+Y191A5g4UqLAi8CyGP9N1+FdVbkc1SxKc2r4YAYqG8JzO2KGL+AizD70Q=="
     },
     "dateformat": {
       "version": "4.6.3",

backend/package.json

@@ -19,7 +19,7 @@
     "bigint-conversion": "^2.4.0",
     "cookie-parser": "^1.4.6",
     "cors": "^2.8.5",
-    "crypto-js": "^4.1.1",
+    "crypto-js": "^4.2.0",
     "dotenv": "^16.0.1",
     "express": "^4.18.1",
     "express-async-errors": "^3.1.1",