Dev: bootstrap: Check if core packages like corosync/pacemaker are installed

[liangxin1300]

Fix #1674

[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.

Project coverage is 69.74%. Comparing base (155bd2c) to head (c3104db).
Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
crmsh/bootstrap.py	80.00%	1 Missing ⚠️

Additional details and impacted files

Flag	Coverage Δ
integration	53.54% <85.71%> (-0.01%)	⬇️
unit	53.10% <57.14%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
crmsh/ui_cluster.py	75.14% <100.00%> (ø)
crmsh/bootstrap.py	88.08% <80.00%> (-0.04%)	⬇️

... and 1 file with indirect coverage changes

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