chore: deps update (#11968)

# Which Problems Are Solved
This pr updates major and minor dependencies and is the first step on
getting our dependabot alerts cut down.

# How the Problems Are Solved

Depedency updates across the board eg:
- Upgrade Angular to v21
- Upgrade next.js to v16.2
- Upgrade tailwind to v4 in the login
- Upgrade vitest to v4 in the login

This is an uncompleted list refer to the changed files for a full
overview of all the updates.

# Additional Changes

Migrated all control flow in the console to the modern control flow
syntax.
Fixed the dependsOn setting for the @zitadel/login:test-unit nx target.

# Additional Context

- Closes https://github.com/zitadel/zitadel/issues/11274

---------

Co-authored-by: Max Peintner <[email protected]>

package.json

@@ -15,11 +15,11 @@
     "clean:all": "pnpm run clean && rm -rf .nx node_modules"
   },
   "devDependencies": {
-    "@bufbuild/buf": "^1.65.0",
-    "@changesets/cli": "^2.29.8",
+    "@bufbuild/buf": "^1.66.1",
+    "@changesets/cli": "^2.30.0",
     "nx": "21.6.9",
-    "sass": "^1.97.3",
-    "shiki": "^3.21.0",
-    "wait-on": "^9.0.3"
+    "sass": "^1.98.0",
+    "shiki": "^3.23.0",
+    "wait-on": "^9.0.4"
   }
 }