Add log comment for prom remote read queries #53

Job	Run time
Go tests on Windows	7m 56s
Build Prometheus for all architectures	0s
Build Prometheus for common architectures (0)	1m 55s
Go tests	29s
Build Prometheus for common architectures (1)	1m 59s
golangci-lint	2m 7s
Go tests with previous Go version	1m 58s
Build Prometheus for common architectures (2)	1m 56s
Mixins tests	47s
UI tests	2m 27s
codeql / Analyze (go)	5m 42s
codeql / Analyze (javascript)	1m 23s
fuzzing / Fuzzing	13m 3s
Publish UI on npm Registry	1m 30s
Publish release artefacts	0s
Publish main branch artifacts	0s
	43m 12s

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