chore(deps): bump vscode/devcontainers/javascript-node in /.devcontainer

Bumps vscode/devcontainers/javascript-node from `eac37fb` to `9b4b7e4`.

---
updated-dependencies:
- dependency-name: vscode/devcontainers/javascript-node
  dependency-version: 9b4b7e41bc59ec3cbb0a2e06a231a067fc013f21187d0931d63db122d0a6eca6
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.devcontainer/Dockerfile

@@ -1,5 +1,5 @@
 # See here for image contents: https://github.com/microsoft/vscode-dev-containers/blob/v0.212.0/containers/javascript-node/.devcontainer/base.Dockerfile
-FROM mcr.microsoft.com/vscode/devcontainers/javascript-node@sha256:eac37fbeb0dd1ded8ae31a93f1f3e0defc413715e7541e2ba5a5c10079777f62
+FROM mcr.microsoft.com/vscode/devcontainers/javascript-node@sha256:9b4b7e41bc59ec3cbb0a2e06a231a067fc013f21187d0931d63db122d0a6eca6
 
 # Install fnm to manage Node.js versions
 RUN curl -fsSL https://fnm.vercel.app/install -o /tmp/install \