fix(docker-compose): update docker-compose

[casperbiering]

This PR solves two issues.

1. Currently you need to pass a NGROK_AUTH to ngrok, otherwise you'll get following error when trying to use the connection:
   

2. atlantis executable must not be ignored by .dockerignore otherwise docker-compose up and docker build -f Dockerfile.dev . fails with:

[+] Building 1.0s (6/7)
 => [internal] load build definition from Dockerfile.dev 0.0s
 => => transferring dockerfile: 36B 0.0s
 => [internal] load .dockerignore 0.0s
 => => transferring context: 116B 0.0s
 => [internal] load metadata for ghcr.io/runatlantis/atlantis:latest 0.8s
 => [internal] load build context 0.0s
 => => transferring context: 2B 0.0s
 => [1/3] FROM ghcr.io/runatlantis/atlantis:latest@sha256:3765101d3ee2b9db27f140a4766222b400f63d3cb4659d64394bcc6a2eedcec7 0.0s
 => ERROR [2/3] COPY atlantis /usr/local/bin/atlantis 0.0s
------
 > [2/3] COPY atlantis /usr/local/bin/atlantis:
------
failed to solve: failed to compute cache key: "/atlantis" not found: not found

[chenrui333]

Looks good, thanks @casperbiering!