allow version numbers with hyphen; fix first tag issue

[pawelru]

• allow version number with hyphens, e.g. 1.2-3
• add check if the first tag is a valid R package, to avoid e.g. rstudio/shiny@rubyesque

[github-actions[bot]]

Unit Tests Summary

8 tests   0 :heavy_check_mark:  0s :stopwatch: 1 suites  8 :zzz: 1 files    0 :x:

Results for commit 5b58cab6.

:recycle: This comment has been updated with latest results.

[github-actions[bot]]

Code Coverage Summary

Filename                          Stmts    Miss  Cover    Missing
------------------------------  -------  ------  -------  ---------
R/check.R                            25      25  0.00%    15-120
R/deps_installation_proposal.R       79      79  0.00%    43-170
R/get_min_ver.R                      74      74  0.00%    13-191
TOTAL                               178     178  0.00%

Diff against main

Filename           Stmts    Miss  Cover
---------------  -------  ------  --------
R/get_min_ver.R       +5      +5  +100.00%
TOTAL                 +5      +5  +100.00%

Results for commit: 674837f10479002f4217cbb8188f44a9b5f8bfe9

Minimum allowed coverage is 80%

:recycle: This comment has been updated with latest results