fix: deep targets file path #1010

Job	Run time
examples / client (ubuntu-latest)	14s
examples / repository (ubuntu-latest)	4s
examples / client (macos-latest)	17s
examples / root-signing (ubuntu-latest)	14s
examples / repository (macos-latest)	22s
examples / multirepo (ubuntu-latest)	5s
examples / client (windows-latest)	1m 1s
examples / root-signing (macos-latest)	43s
examples / repository (windows-latest)	1m 8s
examples / multirepo (macos-latest)	38s
examples / root-signing (windows-latest)	1m 14s
examples / multirepo (windows-latest)	2m 54s
examples / tuf-client-cli (ubuntu-latest)	15s
examples / tuf-client-cli (macos-latest)	26s
linting / golangci-lint	2m 35s
linting / govulncheck	22s
tests / Run (ubuntu-latest)	32s
examples / tuf-client-cli (windows-latest)	1m 6s
tests / Run (macos-latest)	51s
tests / Run (windows-latest)	3m 10s
	18m 11s

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