build(deps): bump github.com/miekg/dns from 1.1.66 to 1.1.68 #497

Job	Run time
More Go tests	18m 28s
Go tests	11m 10s
Go tests with previous Go version	8m 19s
Go tests on Windows	10m 2s
UI tests	2m 17s
Build Prometheus for all architectures	0s
Build Prometheus for common architectures (1)	7m 53s
Build Prometheus for common architectures (2)	8m 10s
Build Prometheus for common architectures (0)	8m 4s
Check generated parser	20s
Mixins tests	2m 50s
golangci-lint	7m 0s
fuzzing	0s
codeql / Analyze (javascript)	1m 30s
Report status of build Prometheus for all architectures	0s
Publish UI on npm Registry	1m 54s
Publish release artefacts	0s
Publish main branch artifacts	0s
	1h 27m 57s

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