Update dependency cypress to v15

Author: renovate[bot]

packages/datagateway-dataview/package.json

@@ -93,7 +93,7 @@
     "@typescript-eslint/parser": "5.62.0",
     "@vitest/coverage-v8": "3.2.3",
     "cross-env": "10.1.0",
-    "cypress": "13.17.0",
+    "cypress": "15.6.0",
     "eslint": "8.57.1",
     "eslint-config-react-app": "7.0.0",
     "express": "4.21.2",

packages/datagateway-download/package.json

@@ -61,7 +61,7 @@
     "@typescript-eslint/parser": "5.62.0",
     "@vitest/coverage-v8": "3.2.3",
     "cross-env": "10.1.0",
-    "cypress": "13.17.0",
+    "cypress": "15.6.0",
     "eslint": "8.57.1",
     "eslint-config-react-app": "7.0.0",
     "express": "4.21.2",

packages/datagateway-search/package.json

@@ -94,7 +94,7 @@
     "@typescript-eslint/parser": "5.62.0",
     "@vitest/coverage-v8": "3.2.3",
     "cross-env": "10.1.0",
-    "cypress": "13.17.0",
+    "cypress": "15.6.0",
     "eslint": "8.57.1",
     "eslint-config-react-app": "7.0.0",
     "express": "4.21.2",