update CHANGELOG and bump version to 6.7.0

Author: beniwohli

CHANGELOG.asciidoc

@@ -29,10 +29,12 @@ endif::[]
 //[float]
 //===== Bug fixes
 
-=== Unreleased
+[[release-notes-6.x]]
+=== Python Agent version 6.x
+
+[[release-notes-6.7.0]]
+=== 6.7.0 - 2021-11-17
 
-// Unreleased changes go here
-// When the next release happens, nest these changes under the "Python Agent version 6.x" heading
 [float]
 ===== Features
 
@@ -44,9 +46,6 @@ endif::[]
 * fix compatibility issues with httpx 0.21 {pull}1403[#1403]
 * fix `span_compression_exact_match_max_duration` default value {pull}1407[#1407]
 
-[[release-notes-6.x]]
-=== Python Agent version 6.x
-
 [[release-notes-6.6.3]]
 ==== 6.6.3 - 2021-11-15
 

elasticapm/version.py

@@ -28,5 +28,5 @@
 #  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 #  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-__version__ = (6, 6, 3)
+__version__ = (6, 7, 0)
 VERSION = ".".join(map(str, __version__))