chore: upgrade to Bazel 7 #1054

Job	Run time
matrix-prep-bazelversion	3s
test-auth	7m 56s
matrix-prep-os	1s
test (ubuntu-latest, 7.0.0, ., true)	28s
test (ubuntu-latest, 7.0.0, ., false)	35s
test (ubuntu-latest, 7.0.0, e2e/custom_registry, false)	27s
test (ubuntu-latest, 7.0.0, e2e/wasm, false)	42s
test (ubuntu-latest, 7.0.0, e2e/smoke, true)	18s
test (ubuntu-latest, 7.0.0, e2e/smoke, false)	12s
test (ubuntu-latest, 7.0.0, e2e/crane_as_registry, true)	18s
test (ubuntu-latest, 7.0.0, e2e/crane_as_registry, false)	15s
test (ubuntu-latest, 6.4.0, ., true)	2m 8s
test (ubuntu-latest, 6.4.0, ., false)	3m 42s
test (ubuntu-latest, 6.4.0, e2e/custom_registry, false)	1m 3s
test (ubuntu-latest, 6.4.0, e2e/wasm, false)	56s
test (ubuntu-latest, 6.4.0, e2e/smoke, true)	24s
test (ubuntu-latest, 6.4.0, e2e/smoke, false)	20s
test (ubuntu-latest, 6.4.0, e2e/crane_as_registry, true)	14s
test (ubuntu-latest, 6.4.0, e2e/crane_as_registry, false)	14s
test (macos-latest, 7.0.0, ., true)	1s
test (macos-latest, 7.0.0, ., false)	1s
test (macos-latest, 7.0.0, e2e/smoke, true)	1s
test (macos-latest, 7.0.0, e2e/smoke, false)	1s
	20m 20s

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