fix(api): Change the camera device to /dev/camera2

[vegano1]

Overview

We updated the Linux Kernel recently which has changed the camera device from /dev/video0 to /dev/video2, so lets change it here. This pull request pertains to Opentrons/oe-core#140.

Closes: EXEC-354

Test Plan

• Make sure we can take a picture via /camera/picture endpoint.

Changelog

• set the camera device to /dev/video2 when taking a picture

Review requests

Risk assessment

[vegano1]

curl -X POST --header "opentrons-version: 3" 127.0.0.1:31950/camera/picture --output "picture1.jpg"

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.56%. Comparing base (4bf9073) to head (9c63b50).

❗ Current head 9c63b50 differs from pull request most recent head d39c938. Consider uploading reports for the commit d39c938 to get more accurate results

Additional details and impacted files

@@                 Coverage Diff                  @@
##           chore_release-7.2.2   #14790   +/-   ##
====================================================
  Coverage                67.56%   67.56%           
====================================================
  Files                     2521     2521           
  Lines                    72251    72251           
  Branches                  9311     9311           
====================================================
  Hits                     48815    48815           
  Misses                   21240    21240           
  Partials                  2196     2196           

Flag	Coverage Δ
g-code-testing	92.43% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
api/src/opentrons/system/camera.py	0.00% <ø> (ø)

[sfoster1]

Looks good to me!