chore: set default stackerdb timeouts to 10s

[brice-stacks]

This should trigger the miner and signers to retry faster for stackerdb endpoints.

Checklist

• Test coverage for new or modified code paths
• For new Clarity features or consensus changes, add property tests (see
  docs/property-testing.md)
• Changelog fragment(s) or "no changelog" label added (see
  changelog.d/README.md). If this PR breaks
  anything for node operators or users, or requires them to manually do
  anything (such as adjust a setting), use the breaking category.
• Required documentation changes (e.g.,
  rpc/openapi.yaml for RPC endpoints,
  event-dispatcher.md for new events)
• New clarity functions have corresponding PR in clarity-benchmarking repo

[coveralls]

Coverage Report for CI Build 32418987270

Coverage increased (+0.04%) to 86.634%

Details

• Coverage increased (+0.04%) from the base build.
• Patch coverage: No coverable lines changed in this PR.
• 78 coverage regressions across 21 files.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

78 previously-covered lines in 21 files lost coverage.

Top 10 Files by Coverage Loss	Lines Losing Coverage	Coverage
clarity/src/vm/functions/bitcoin_madhouse.rs	35	83.49%
stacks-signer/src/chainstate/v2.rs	6	88.38%
stacks-node/src/neon_node.rs	5	83.36%
stackslib/src/net/api/mod.rs	4	93.75%
stacks-signer/src/client/stackerdb.rs	4	87.16%
stackslib/src/chainstate/stacks/index/bits.rs	3	74.04%
stackslib/src/net/neighbors/walk.rs	3	70.19%
stackslib/src/net/download/nakamoto/tenure.rs	2	89.02%
stackslib/src/net/poll.rs	2	83.38%
stackslib/src/net/relay.rs	2	74.98%

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Coverage Stats

Relevant Lines:	233020
Covered Lines:	201874
Line Coverage:	86.63%
Coverage Strength:	19432175.45 hits per line

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💛 - Coveralls