build(deps): bump actions/upload-artifact from 6.0.0 to 7.0.0 in the action-dependencies group #3877

Job	Run time
test-with-sslib-main / Test securesystemslib main branch (not a merge blocker)	24s
test / Lint Test	27s
test / Tests (3.13, ubuntu-latest)	21s
test / Tests (3.14, ubuntu-latest)	24s
test / Tests (3.10, ubuntu-latest)	21s
test / Tests (3.x, macos-latest)	18s
test / Tests (3.11, ubuntu-latest)	22s
test / Tests (3.12, ubuntu-latest)	19s
test / Tests (3.x, windows-latest)	1m 35s
test / coveralls-fin	10s
test / All tests passed	4s
	4m 45s

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