build: update tap and alloy dependencies

[suchapalaver]

This updates our TAP dependencies to the most recently released crates and updates thegraph-core to 0.15.0 (alloy 1.0).

On the way it fixes a compiler warning and fixes a doc test that fails with permissions error "on my machine."

[github-actions]

Pull Request Test Coverage Report for Build 15281863129

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 5 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.03%) to 72.359%

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Files with Coverage Reduction	New Missed Lines	%
crates/service/src/middleware/auth/or.rs	1	97.22%
crates/watcher/src/lib.rs	4	92.71%

Totals
Change from base Build 15281013808:	-0.03%
Covered Lines:	8809
Relevant Lines:	12174

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💛 - Coveralls