Release 0.7.0

What's Changed

• build(deps): bump sigstore from 0.6.7 to 0.6.8 in /install by @dependabot in #285
• build(deps): bump pyjwt from 2.5.0 to 2.6.0 in /install by @dependabot in #266
• workflows/ci: add Python 3.11 to matrix by @woodruffw in #286
• Offline Rekor bundle generation and verification by @woodruffw in #247
• build(deps): bump cryptography from 38.0.2 to 38.0.3 in /install by @dependabot in #287
• Support --cert-identity by @woodruffw in #289
• _verify: Check for URI SANs when verifying certificate emails by @tetsuo-cpp in #288
• sigstore: 0.7.0 by @tetsuo-cpp in #290
• workflow: Workaround for SLSA generator failure by @tetsuo-cpp in #292

Full Changelog: v0.6.8...v0.7.0