Show violations in job summary if context provided

[attiasas]

• The pull request is targeting the dev branch.
• The code has been validated to compile successfully by running go vet ./....
• The code has been formatted properly using go fmt ./....
• All static analysis checks passed.
• All tests have passed. If this feature is not already covered by the tests, new tests have been added.
• All changes are detailed at the description. if not already covered at JFrog Documentation, new documentation have been added.

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If context is provided to the scan (watches / project key)

the job summary says:

No vulnerabilities were found

but on the table format: the terminology is Violations (rather than vulnerabilities)

New summary content will be shown as follows:

[carmithersh]

please chnage the summary:
for build scan summary say
X violation found, Y unique vulnerabilities (Z total: z1 medium, z2 low)

for the artifacts :
X violation found, Y unique vulnerabilities (Z total: z1 medium, z2 low)

[github-actions]

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