Update newrelic-infra-template.yml.example

[nr-ksteinbach]

tiny enhancement to the example config file, so that custom_attributes can be found when searching for either label or tag

[coveralls]

Pull Request Test Coverage Report for Build 11987453100

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 3 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.004%) to 57.351%

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Files with Coverage Reduction	New Missed Lines	%
internal/httpapi/httpapi.go	1	74.82%
pkg/metrics/sampler/sampler_routine.go	2	95.35%

Totals
Change from base Build 11888184229:	0.004%
Covered Lines:	15366
Relevant Lines:	26793

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💛 - Coveralls