Bump ghcr.io/devcontainers/features/powershell from 1.5.1 to 2.0.0

Bumps ghcr.io/devcontainers/features/powershell from 1.5.1 to 2.0.0.

---
updated-dependencies:
- dependency-name: ghcr.io/devcontainers/features/powershell
  dependency-version: 2.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.devcontainer/aspire/devcontainer.json

@@ -4,7 +4,7 @@
   "image": "mcr.microsoft.com/devcontainers/dotnet:9.0-bookworm",
   "features": {
     "ghcr.io/devcontainers/features/docker-in-docker:2": {},
-    "ghcr.io/devcontainers/features/powershell:1": {}
+    "ghcr.io/devcontainers/features/powershell:2": {}
   },
 
   // Install Aspire tooling & workloads early in create lifecycle.