Fix duplicate header on repeating-table-header example

3 jobs for patch-1 in 12 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
failed #332
build

00:00:12

 
  Test
skipped #334
allowed to fail
code_quality
skipped #333
test
 
Name Stage Failure
failed
build Build
Checking out e29a9530 as patch-1...
Skipping Git submodules setup
$ # Auto DevOps variables and functions # collapsed multi-line command
$ setup_docker
$ build
Logging to GitLab Container Registry with CI credentials...
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
Error response from daemon: Get https://registry-1.docker.io/v2/: unauthorized: incorrect username or password
ERROR: Job failed: exit status 1