Bump version to 2.6.0

3 jobs for gracedb-2.6.0 in 9 minutes and 48 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #376492
test:2.7

00:09:30

73.0%
failed #376493
allowed to fail
test:3.7

00:01:57

 
  Branch
passed #376494
branch_image

00:00:18

 
Name Stage Failure
failed
test:3.7 Test
    
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-4ftk4vol/pyxmpp/
Running after script...
$ rm -fvr ${PIP_CACHE_DIR}/log
Uploading artifacts...
WARNING: junit.xml: no matching files
ERROR: No files to upload
ERROR: Job failed: exit code 1