chore(deps): update docker.io/library/golang:1.21.5 docker digest to 2ff79bc (v1.0) #5193

Job	Run time
Build tetragon	12m 1s
Test kernel 5.10-20231026.065108 / test group 0	26m 39s
Test kernel 5.15-20231026.065108 / test group 0	24m 23s
Test kernel 4.19-20231026.065108 / test group 0	19m 7s
Test kernel 5.4-20231026.065108 / test group 0	24m 50s
Test kernel 6.1-20231026.065108 / test group 0	17m 18s
Test kernel bpf-next-20231030.012704 / test group 0	16m 3s
post-test	4s
	2h 20m 25s

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