Update 1.21 to 1.21.6 #444

Job	Run time
Generate Jobs	43s
1.22rc1-bookworm	53s
1.22rc1-bullseye	47s
1.22rc1-alpine3.19	36s
1.22rc1-alpine3.18	32s
1.22rc1-windowsservercore-ltsc2022, 1.22rc1-nanoserver-ltsc2022	14m 22s
1.22rc1-windowsservercore-1809, 1.22rc1-nanoserver-1809	16m 27s
1.21.6-bookworm	46s
1.21.6-bullseye	46s
1.21.6-alpine3.19	30s
1.21.6-alpine3.18	32s
1.21.6-windowsservercore-ltsc2022, 1.21.6-nanoserver-ltsc2022	16m 7s
1.21.6-windowsservercore-1809, 1.21.6-nanoserver-1809	16m 41s
1.20.13-bookworm	49s
1.20.13-bullseye	46s
1.20.13-alpine3.19	2m 18s
1.20.13-alpine3.18	2m 11s
1.20.13-windowsservercore-ltsc2022, 1.20.13-nanoserver-ltsc2022	14m 52s
1.20.13-windowsservercore-1809, 1.20.13-nanoserver-1809	15m 42s
1.20.13-bookworm (force build)	2m 31s
1.20.13-bullseye (force build)	2m 41s
1.20.13-alpine3.19 (force build)	2m 23s
1.20.13-alpine3.18 (force build)	2m 16s
1.22rc1-bookworm (i386)	55s
1.22rc1-bullseye (i386)	49s
1.22rc1-alpine3.19 (i386)	36s
1.22rc1-alpine3.18 (i386)	34s
1.21.6-bookworm (i386)	52s
1.21.6-bullseye (i386)	49s
1.21.6-alpine3.19 (i386)	42s
1.21.6-alpine3.18 (i386)	42s
1.20.13-bookworm (i386)	52s
1.20.13-bullseye (i386)	59s
1.20.13-alpine3.19 (i386)	2m 22s
1.20.13-alpine3.18 (i386)	2m 22s
	2h 8m 45s

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