Fix missing hostname

[umputun]

The hostname was missing if it was set directly without inventory. The lack of a hostname causes an empty $SPOT_REMOTE_NAME value

[coveralls]

Pull Request Test Coverage Report for Build 8407851242

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 7 of 7 (100.0%) changed or added relevant lines in 2 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.04%) to 84.557%

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Files with Coverage Reduction	New Missed Lines	%
pkg/runner/runner.go	2	89.69%

Totals
Change from base Build 8403989279:	-0.04%
Covered Lines:	2683
Relevant Lines:	3173

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💛 - Coveralls