CI: fix cmake syntax

4 jobs for ci_coverage in 35 minutes and 34 seconds (queued for 1 second)
Status Job ID Name Coverage
  Prepare
passed #7475
ubuntu-xdk-prepare

00:03:32

 
  Build
failed #7476
ubuntu-xdk-qa-code-coverage

00:06:27

passed #7477
ubuntu-xdk-qa-static-analysis

00:32:01

 
  Report
skipped #7478
ubuntu-xdk-report
 
Name Stage Failure
failed
ubuntu-xdk-qa-code-coverage Build
WARNING: build/Documentation/Doxygen/OTB-Doxygen-*.tar.bz2: no matching files 
WARNING: build_packages/OTB-*.run: no matching files
WARNING: build_packages/OTB-*.zip: no matching files
WARNING: build/compile_commands.json: no matching files
WARNING: build/ctest_report.xml: no matching files
WARNING: build/cppcheck_report.xml: no matching files
WARNING: build/coverage_report.xml: no matching files
Uploading artifacts to coordinator... ok
id=7476 responseStatus=201 Created token=79LPUPGz
ERROR: Job failed: exit code 1