Bump docker-api from 2.3.0 to 2.4.0

Bumps [docker-api](https://github.com/swipely/docker-api) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/swipely/docker-api/releases)
- [Commits](upserve/docker-api@v2.3.0...v2.4.0)

---
updated-dependencies:
- dependency-name: docker-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -1570,14 +1570,14 @@ GEM
     concurrent-ruby (1.3.3)
     connection_pool (2.4.1)
     diff-lcs (1.5.1)
-    docker-api (2.3.0)
+    docker-api (2.4.0)
       excon (>= 0.64.0)
       multi_json
     dotenv (3.1.4)
     down (5.4.2)
       addressable (~> 2.8)
     drb (2.2.1)
-    excon (0.111.0)
+    excon (0.112.0)
     faraday (2.10.0)
       faraday-net_http (>= 2.0, < 3.2)
       logger