Permission error when starting up the `air_routes` sample database

## Description

When starting the sample with `docker compose up` the following error was thrown:

`sed: can't create temp file '/opt/gremlin-server/sample/conf/gremlin-server-air-routes.yamlXXXXXX': Permission denied`

Even running the docker compose command with sudo did not help.

## Environment

- OS: Linux 6.17.5-arch1-1
- Graph Explorer Version: v2.4.0

## Steps to Reproduce

Navigate to sample/ and run `docker compose up`

The `air_routes-database` fails to start due to the permission error.

## Expected Behavior

The `air_routes-database` should start up normally without any permission issues.

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