Update Node.js to v26

Release-Bump: major

e2e-tests/compose.full.yml

@@ -53,7 +53,7 @@ services:
 
   # The reference plugin's upstream (examples/shifts-upstream) so /scheduling/shifts shows real rows.
   shifts-upstream:
-    image: node:24.22.2-alpine3.24
+    image: node:26.13.0-alpine3.24
     command: ["node", "/server.ts"]
     volumes:
       - ./examples/shifts-upstream/server.ts:/server.ts:ro
@@ -66,7 +66,7 @@ services:
   # Mock OIDC provider for the SSO login test — stdlib Node, auto-approves, signs an id_token Kratos
   # verifies via its jwks. Reachable as the same host (mock-oidc:9000) by both the browser and Kratos.
   mock-oidc:
-    image: node:24.22.2-alpine3.24
+    image: node:26.13.0-alpine3.24
     command: ["node", "/mock-oidc.ts"]
     environment:
       ISSUER: http://mock-oidc:9000
@@ -92,7 +92,7 @@ services:
 
   # Same-origin gateway: Kratos-owned paths → kratos, everything else → web (e2e-tests/proxy.ts).
   proxy:
-    image: node:24.22.2-alpine3.24
+    image: node:26.13.0-alpine3.24
     command: ["node", "/proxy.ts"]
     depends_on:
       web:

e2e-tests/package-lock.json

@@ -7,7 +7,7 @@
       "name": "plainpages-e2e",
       "devDependencies": {
         "@playwright/test": "1.64.1",
-        "@types/node": "24.19.2",
+        "@types/node": "26.6.6",
         "typescript": "7.0.2"
       }
     },
@@ -28,13 +28,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "24.19.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.19.2.tgz",
-      "integrity": "sha512-93d49wCWJkCyN87MxLpNN6KXPCwFw7bVUg79mGUV1OS40JGWwVCr8n61DXCSqz7CV6/VfPkb7xec7uP2M+QHWQ==",
+      "version": "26.6.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.6.tgz",
+      "integrity": "sha512-MzQj+8Kx3XI40OmUAE6Qoh58ZMNstNNMwn2nfd3qWsfe7nDNSqJNzes4njhz6AHwrSHOffSLwXU6yb474Q4aog==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@typescript/typescript-aix-ppc64": {
@@ -442,9 +442,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.24.6",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
-      "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "dev": true,
       "license": "MIT"
     }

e2e-tests/package.json

@@ -9,7 +9,7 @@
   },
   "devDependencies": {
     "@playwright/test": "1.64.1",
-    "@types/node": "24.19.2",
+    "@types/node": "26.6.6",
     "typescript": "7.0.2"
   }
 }