Bumps [github.com/decred/dcrd/dcrec/secp256k1/v4](https://github.com/decred/dcrd) from 4.1.0 to 4.2.0. <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/decred/dcrd/commit/bacf8444a8bc79178f9eb2c65477ab6df01a6439"><code>bacf844</code></a> secp256k1: Prepare v4.2.0.</li> <li><a href="https://github.com/decred/dcrd/commit/e0ad9b868795343559f0436a1ef6fa6bdf5000aa"><code>e0ad9b8</code></a> secp256k1: Update PrivKeyFromBytes comment.</li> <li><a href="https://github.com/decred/dcrd/commit/6c5b953d28abb57bcf52b1088eb2b22ce0b522bb"><code>6c5b953</code></a> secp256k1: Add GeneratePrivateKeyFromRand tests.</li> <li><a href="https://github.com/decred/dcrd/commit/bd0b82d0be0fca0f91dbc22628de11f7915a234b"><code>bd0b82d</code></a> secp256k1: Require concerete rand for privkey gen.</li> <li><a href="https://github.com/decred/dcrd/commit/b4fab9efd838469f718fc943f2f19828d7829b49"><code>b4fab9e</code></a> chaincfg/chainhash: Prepare v1.0.4.</li> <li><a href="https://github.com/decred/dcrd/commit/d71616bddb615ef368382dcc7cb6cf2d78d858c1"><code>d71616b</code></a> secp256k1: Add GeneratePrivateKeyFromRand function</li> <li><a href="https://github.com/decred/dcrd/commit/9aa79ec168f6145484b62c88701fec9634a539f4"><code>9aa79ec</code></a> chaincfg: Introduce subsidy split change r2 agenda.</li> <li><a href="https://github.com/decred/dcrd/commit/7db7325c42353d7ab43deb69e2107b434488691c"><code>7db7325</code></a> chaincfg: Introduce BLAKE3 PoW agenda.</li> <li><a href="https://github.com/decred/dcrd/commit/ce46220cf7722142aa91ec52507160f9ca63880d"><code>ce46220</code></a> secp256k1: Fix typo in a doc comment</li> <li><a href="https://github.com/decred/dcrd/commit/ca02bcaf5a5dde671dae59eed26887f30ada7d51"><code>ca02bca</code></a> docs: Add release notes for v1.7.7.</li> <li>Additional commits viewable in <a href="https://github.com/decred/dcrd/compare/blockchain/v4.1.0...dcrec/secp256k1/v4.2.0">compare view</a></li> </ul> </details> <br /> [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) </details>