chore(deps): update docker.io/library/golang:1.21.4 docker digest to 9baee0e (main) #4887

Job	Run time
Build tetragon	11m 59s
Test kernel 4.19-20231026.065108 / test group 0	19m 8s
Test kernel 5.10-20231026.065108 / test group 0	26m 5s
Test kernel 5.4-20231026.065108 / test group 0	24m 44s
Test kernel 5.15-20231026.065108 / test group 0	23m 42s
Test kernel 6.1-20231026.065108 / test group 0	18m 20s
Test kernel bpf-next-20231120.012927 / test group 0	17m 46s
post-test	2s
	2h 21m 46s

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