build(deps): bump golang from 1.21.5-bullseye to 1.21.6-bullseye #3189

Job	Run time
Build	2m 10s
Linter (.)	1m 31s
Integration (true, memory)	51m 39s
Linter (./estargz)	27s
Integration (false, memory)	8m 23s
Project Checks	2m 10s
Linter (./cmd)	1m 46s
Integration (false, db)	8m 21s
Linter (./ipfs)	47s
Test	12m 8s
CRIAuth (true)	6m 19s
CRIAuth (false)	4m 48s
CRIValidationContainerd (true, memory)	11m 3s
CRIValidationCRIO (memory)	12m 28s
CRIValidationContainerd (false, memory)	9m 21s
IPFS	37s
CRIValidationCRIO (db)	12m 33s
CRIValidationContainerd (false, db)	9m 5s
K3S	11m 51s
K3SArgoWorkflow	22m 59s
Kind (true)	6m 35s
PodmanRootless	3m 52s
Kind (false)	5m 5s
Optimize	4m 37s
	3h 30m 35s

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