chore: release 0.7.1, begin 0.7.2.dev0 development

[mnriem]

Automated release of 0.7.1.

This PR was created by the Release Trigger workflow. The git tag v0.7.1 has already been pushed and the release artifacts are being built.

Merging this PR will set main to 0.7.2.dev0 so that development installs are clearly marked as pre-release.

[Copilot]

Pull request overview

Automated release PR for specify-cli that records the 0.7.1 release in the changelog and advances main to the next development version (0.7.2.dev0).

Changes:

• Bump project version to 0.7.2.dev0 for post-release development.
• Add 0.7.1 release notes to CHANGELOG.md.

Show a summary per file

File	Description
pyproject.toml	Updates the package version to 0.7.2.dev0 to mark ongoing development after the 0.7.1 tag.
CHANGELOG.md	Inserts the 0.7.1 section with the list of changes included in the release.

Copilot's findings

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• Files reviewed: 2/2 changed files
• Comments generated: 0