Bump to 7.0.0 (newrelic#640)

* bump version to 7.0.0

* added CHANGELOG entries for the 7.0.0 release

Co-authored-by: Michael Lang <mlang@newrelic.com>

update release workflow

Update version and changelog for 6.15.0 (newrelic#540)

* update changelog

* bump version

* removed extra line

* added changelog entries

* updated changelog

Merge pull request newrelic#503 from newrelic/dev

Release for 6.14.0

pre releas for 6.14.0

Merge pull request newrelic#453 from newrelic/dev

Prevents original URI objects from be modified when obfuscated.

CHANGELOG and VERSION bumped to 6.13.1

Merge pull request newrelic#433 from newrelic/dev

Dev to main for 6.13.0

Merge pull request newrelic#402 from newrelic/prerelease_updates_v6.13.0

Release preparation for version 6.13.0

Merge pull request newrelic#2058 from ruby-agent/dev

Release candidate 1 for 6.12.0