Redo container build, adding missing R.utils package

[espenhgn]

Fixes #1

Changes proposed in this pull request:

• Install available packages from packagemanager.rstudio.com
• added missing system deps resulting in configure error: ...
• added R.utils and BRugs packages
• rebuilt container

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• [] If this PR fixes a bug, I've added a test that will fail without my fix.
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[github-actions]

Hello @espenhgn , thank you submitting a pull request!