Network version drift: update public/api/networks.json

[nickemmons]

The scheduled network drift check found that at least one Allora network is
reporting a different build over RPC than public/api/networks.json records.

Network	RPC	Recorded abci_version	Reported by abci_info
testnet	https://allora-rpc.testnet.allora.network/abci_info	HEAD-ac7ae1565bda7266fd741515e09faccf85bc8af1	HEAD-b6104eda6b2b009ea0714d2f724d53f4f0365fc0

This PR updates abci_version for the networks above.

The deployed_version release tag is not changed automatically: abci_info
reports a build identifier rather than a release tag. Check the
allora-chain releases
and, if a new release is live, update deployed_version (and the
emissions_namespace if the upgrade bumped the emissions module) in this PR
before merging.

If you do change deployed_version, change the matching chain_<network> key
in public/api/versions.json in the same commit — yarn checkversions fails
while the two files disagree.

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Summary by cubic

Aligns testnet abci_version in public/api/networks.json with the RPC-reported build to resolve network version drift. Previously this value was out of sync; now it matches the node’s abci_info. No runtime behavior changes.

• Only testnet changed; deployed_version and emissions_namespace are unchanged.
• If a new release tag corresponds to this build, update deployed_version for testnet and the matching chain_testnet key in public/api/versions.json in the same commit to keep version checks passing.

^{Written for commit c8c4633. Summary will update on new commits.}

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[cubic-dev-ai]

No issues found across 1 file

_{Re-trigger cubic}

[nickemmons]

Closing automatically: every network now reports the version already recorded on main, so this pull request no longer proposes a change. A fresh one opens by itself the next time a network's version actually drifts.