Add retry logic

[walkowif]

Retry the following processes in case of errors other than authentication error:

• cloning source repository
• getting branches and tags from remote
• fetching branches from source repository
• pushing refs to destination repository

[github-actions]

Unit Tests Summary

1 tests   1 ✅  0s ⏱️
2 suites  0 💤
1 files    0 ❌

Results for commit 58724d0.

♻️ This comment has been updated with latest results.

[github-actions]

Code Coverage Summary

Filename         Stmts    Miss  Cover    Missing
-------------  -------  ------  -------  ---------------
cmd/mirror.go      327     312  4.59%    68-449
cmd/root.go        115     112  2.61%    58-132, 139-191
cmd/utils.go        10       9  10.00%   23-34
TOTAL              452     433  4.20%

Diff against main

Filename         Stmts    Miss  Cover
-------------  -------  ------  -------
cmd/mirror.go      +50     +50  -0.83%
TOTAL              +50     +50  -0.52%

Results for commit: 58724d0

Minimum allowed coverage is 80%

♻️ This comment has been updated with latest results