[chore] add fuzzing badge #22325

Job	Run time
govulncheck	33s
setup-environment	10s
checks	1m 48s
lint	3m 46s
test-coverage	6m 18s
unittest-matrix (ubuntu-latest, ~1.23)	2m 32s
unittest-matrix (ubuntu-latest, ~1.22)	2m 25s
cross-build-collector (darwin, amd64)	44s
cross-build-collector (darwin, arm64)	52s
cross-build-collector (linux, 386)	40s
cross-build-collector (linux, amd64)	45s
cross-build-collector (linux, arm64)	44s
cross-build-collector (linux, ppc64le)	47s
cross-build-collector (linux, arm, 7)	43s
cross-build-collector (linux, s390x)	41s
cross-build-collector (windows, 386)	51s
cross-build-collector (windows, amd64)	39s
unittest	1s
	24m 59s

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