build(deps): bump devcontainers/dotnet in /.devcontainer

Bumps devcontainers/dotnet from `da953a3` to `be5bd89`.

---
updated-dependencies:
- dependency-name: devcontainers/dotnet
  dependency-version: be5bd898d964c0d081cb22285c2318e488882103702c8831418fdd59218fd5dd
  dependency-type: direct:production
...

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

Author: dependabot[bot]

.devcontainer/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/devcontainers/dotnet@sha256:da953a31996cf89df8c506a5d7ed9374f4285af6f728b55d772cd2d8e205cdef
+FROM mcr.microsoft.com/devcontainers/dotnet@sha256:be5bd898d964c0d081cb22285c2318e488882103702c8831418fdd59218fd5dd
 
 # [Optional] Uncomment this section to install additional OS packages.
 # RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \