Add Chrominium to Docker image for supporting CDP

[k1LoW]

$ docker build . -t runn-test
$ docker container run -it --rm --name test -v $PWD/testdata/book:/books runn-test run books/pkg_go_dev.yml
Test using CDP ... ok

1 scenario, 0 skipped, 0 failures

[github-actions]

Code Metrics Report

	main (15854ea)	#261 (a2760d7)	+/-
Coverage	77.5%	77.5%	0.0%
Code to Test Ratio	1:0.7	1:0.7	0.0

Details

  |                    | main (15854ea) | #261 (a2760d7) | +/-  |
  |--------------------|----------------|----------------|------|
  | Coverage           |          77.5% |          77.5% | 0.0% |
  |   Files            |             31 |             31 |    0 |
  |   Lines            |           3236 |           3236 |    0 |
  |   Covered          |           2509 |           2509 |    0 |
  | Code to Test Ratio |          1:0.7 |          1:0.7 |  0.0 |
  |   Code             |           7144 |           7144 |    0 |
  |   Test             |           4888 |           4888 |    0 |

---

Reported by octocov