v8.7.0

What's Changed

• Make admin API listener configurable by @der-eismann in #221
• Fix ioutil deprecations by @der-eismann in #222
• Print rebuy in lowercase by @der-eismann in #223
• Bump golang.org/x/crypto from 0.26.0 to 0.31.0 in /examples/full by @dependabot in #224
• add digutil by @svenwltr in #225
• tolerate nil for declarative workers by @svenwltr in #226

Full Changelog: v8.6.0...v8.7.0