[v2] Update Go toolchain version #6710

Job	Run time
Component Tests	1m 7s
Build signed snapshot	8m 16s
Performance Tests	7m 47s
Unit Tests	3m 38s
Lint	58s
Build unsigned snapshot	4m 41s
Build Grafana Dashboard Example	1m 37s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	4m 15s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	4m 15s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	3m 35s
Integration Tests - Official OSS Images (alpine, stable, alpine)	3m 31s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	3m 28s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	4m 7s
Integration Tests - Official OSS Images (bookworm, stable, debian)	3m 30s
Integration Tests (almalinux, 8)	5m 18s
Integration Tests (alpine, 3.21)	3m 33s
Integration Tests (amazonlinux, 2023)	4m 56s
Integration Tests (rockylinux, 9)	4m 51s
Integration Tests (rockylinux, 8)	6m 38s
Integration Tests (almalinux, 9)	4m 32s
Integration Tests (amazonlinux, 2)	5m 48s
Integration Tests (oraclelinux, 9)	5m 33s
Integration Tests (alpine, 3.22)	3m 47s
Integration Tests (oraclelinux, 8)	6m 2s
Integration Tests (alpine, 3.20)	3m 43s
Integration Tests (ubuntu, 24.04)	4m 38s
Integration Tests (debian, bookworm-slim)	4m 15s
Integration Tests (debian, bullseye-slim)	4m 36s
Integration Tests (alpine, 3.23)	3m 43s
	2h 6m 38s

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