utils: create utils package and move siatest dependecies into it

4 jobs for <span class="ref-name">utils-dependencies</span> in 27 minutes and 32 seconds
Status Job ID Name Coverage
  Lint
passed #199242526
lint

00:04:13

 
  Test
passed #199242529
integration-tests

00:23:18

75.0%
passed #199242527
legacy-tests

00:07:14

47.6%
passed #199242528
package-tests

00:17:25

87.0%