frontend: add an allow list for secret lint check and add public to said list #5143

Job	Run time
govulncheck	59s
prepare	8s
binaries (darwin/amd64)	1m 1s
binaries (darwin/arm64)	1m 2s
binaries (linux/amd64)	2m 3s
binaries (linux/arm/v7)	2m 6s
binaries (linux/arm64)	2m 2s
binaries (linux/s390x)	2m 0s
binaries (linux/ppc64le)	1m 59s
binaries (linux/riscv64)	2m 1s
binaries (windows/amd64)	1m 51s
binaries (windows/arm64)	1m 50s
test / prepare	5m 29s
test / run (containerd, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	8m 22s
test / run (containerd-rootless, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integr...	14m 15s
test / run (containerd-1.6, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	14m 3s
test / run (containerd-snapshotter-stargz, ./client ./cmd/buildctl ./worker/containerd ./solver ./fronte...	13m 56s
test / run (oci, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	14m 14s
test / run (oci-rootless, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	14m 12s
test / run (oci-rootless-slirp4netns-detachnetns, ./client ./cmd/buildctl ./worker/containerd ./solver ....	14m 8s
test / run (oci-snapshotter-stargz, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, int...	14m 13s
test / run (./..., 1, integration gateway)	9m 27s
test / run (./client, containerd, nydus, integration)	14m 9s
test / run (./client, oci, nydus, integration)	14m 13s
test / run (./..., nydus, 1, integration)	10m 32s
image	1s
scout	1s
release	1s
	3h 0m 18s

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