fix(i18n): translate «add a Entity» with context in french

--HG--
branch : seda21
4 jobs for !24 with branch/seda21 in 14 minutes and 18 seconds (queued for 13 minutes and 55 seconds)
detached
Status Job ID Name Coverage
  Lint
passed check-manifest #427167

00:02:18

passed flake8 #427166

00:02:19

passed yamllint #427168

00:02:16

 
  Tests
failed py3 #427169

00:11:56

 
Name Stage Failure
failed
py3 Tests
Uploading artifacts for failed job
Uploading artifacts...
py3-deprecated-warnings.json: found 1 matching files and directories

Uploading artifacts as "archive" to coordinator... ok
id=427169 responseStatus=201 Created token=EB_z2GCT
Uploading artifacts...
report.xml: found 1 matching files and directories

Uploading artifacts as "junit" to coordinator... ok
id=427169 responseStatus=201 Created token=EB_z2GCT
Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1