Bump flatted from 3.2.9 to 3.4.2

Bumps [flatted](https://github.com/WebReflection/flatted) from 3.2.9 to 3.4.2.
- [Commits](https://github.com/WebReflection/flatted/compare/v3.2.9...v3.4.2)

---
updated-dependencies:
- dependency-name: flatted
  dependency-version: 3.4.2
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/e2e-tests.yml

@@ -495,7 +495,7 @@ jobs:
   test-proxy:
     runs-on: ubuntu-22.04
     container:
-      image: ubuntu:22.04
+      image: mcr.microsoft.com/devcontainers/dotnet:10.0
       options: --dns 127.0.0.1
     services:
       squid-proxy:
@@ -508,15 +508,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v6
-      - name: Install Powershell
-        run: |
-          apt-get update
-          apt-get install -y wget apt-transport-https software-properties-common
-          wget -q "https://packages.microsoft.com/config/ubuntu/$(lsb_release -rs)/packages-microsoft-prod.deb"
-          dpkg -i packages-microsoft-prod.deb
-          rm packages-microsoft-prod.deb
-          apt-get update
-          apt-get install -y powershell
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}

package-lock.json

@@ -3742,10 +3742,11 @@
       }
     },
     "node_modules/flatted": {
-      "version": "3.2.9",
+      "version": "3.4.2",
-      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.2.9.tgz",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.4.2.tgz",
-      "integrity": "sha512-36yxDn5H7OFZQla0/jFJmbIKTdZAQHngCedGxiMmpNfEZM0sdEeT+WczLQrjK6D7o2aiyLYDnkw0R3JK0Qv1RQ==",
+      "integrity": "sha512-PjDse7RzhcPkIJwy5t7KPWQSZ9cAbzQXcafsetQoD7sOJRQlGikNbx7yZp2OotDnJyrDcbyRq3Ttb18iYOqkxA==",
-      "dev": true
+      "dev": true,
+      "license": "ISC"
     },
     "node_modules/fs.realpath": {
       "version": "1.0.0",