chore: Update reference link in config.yaml

[b3cramer]

Context: reported by customers in Bazel slack #aspect-build channel - https://bazelbuild.slack.com/archives/C04281DTLH0/p1766517947148409

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Changes are visible to end-users: no

Test plan

• Covered by existing test cases

[aspect-workflows]

Bazel 7 (Test)

All tests were cache hits

4 tests (100.0%) were fully cached saving 2s.

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Bazel 8 (Test)

All tests were cache hits

4 tests (100.0%) were fully cached saving 2s.

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Bazel 9 (Test)

All tests were cache hits

4 tests (100.0%) were fully cached saving 1s.