Add Plus metrics receiver log messages (#1078) #5182

Job	Run time
Lint	4m 19s
Build Unsigned Snapshot	1m 59s
Unit tests with race condition detection	2m 51s
Performance Tests	4m 59s
Unit Tests	2m 29s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	7m 28s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	7m 8s
Integration Tests (alpine, 3.19)	6m 44s
Integration Tests (redhatenterprise, 9)	8m 42s
Load Tests	4m 42s
Integration Tests - Official OSS Images (bookworm, stable, debian)	7m 31s
Integration Tests - Official OSS Images (alpine, stable, alpine)	7m 14s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	7m 27s
Integration Tests - Official Plus Images (alpine, 3.19, r31, alpine, /nginx-plus/agent)	7m 16s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	7m 48s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	7m 52s
	1h 36m 29s

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