Remove trailing semicolons after constructor body braces

[Copilot]

Trailing semicolons after {} in constructor definitions were causing inconsistent clang-format output between versions (Ubuntu vs Azure Linux). This removes them across the affected files.

Changes

• src/endpoints/authentication/cose_auth.cpp — MemberCOSESign1AuthnPolicy ctor
• src/js/extensions/ccf/historical.cpp — Impl ctor
• src/js/extensions/ccf/kv.cpp — Impl ctor
• src/node/quote_endorsements_client.h — QuoteEndorsementsClient ctor

Before:

Impl(ccf::kv::Tx* t) : tx(t){};

After:

Impl(ccf::kv::Tx* t) : tx(t) {}

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[eddyashton]

@copilot This PR should be targeting main.

[Copilot]

@copilot This PR should be targeting main.

The branch has been updated so the net diff vs main contains only the 4 trailing semicolon removals (commit b70c6963). I'm unable to change the PR base branch programmatically — could you update the base from copilot/fix-issue-7742 to main via the GitHub UI? (Click "Edit" next to the base branch selector at the top of the PR.)

Warning

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• https://api.github.com/graphql
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If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
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[eddyashton]

@copilot I can't edit the base branch, since this is your PR. Create a fresh PR correctly targeting main. Close this.

[Copilot]

@eddyashton I've opened a new pull request, #7778, to work on those changes. Once the pull request is ready, I'll request review from you.