chore(docker): bump nginx in /ui-interface

Bumps nginx from 1.27-alpine to 1.31-alpine.

---
updated-dependencies:
- dependency-name: nginx
  dependency-version: 1.31-alpine
  dependency-type: direct:production
...

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

Author: dependabot[bot]

ui-interface/Dockerfile

@@ -28,7 +28,7 @@ RUN npm run build
 # ---------------------------------------------------------------------------
 # Runtime stage
 # ---------------------------------------------------------------------------
-FROM nginx:1.27-alpine AS runtime
+FROM nginx:1.31-alpine AS runtime
 
 RUN apk add --no-cache wget