Template workflow run fails for nf-core tools basic training

[carlga]

Describe the bug
Test run of template workflow fails at multiqc step in Gitpod environment. Failing with nf-core/tools v2.13.1 but appears to work for v2.10.

To Reproduce
Steps to reproduce the behavior:

1. Go to demo Gitpod environment 'https://www.gitpod.io/#https://github.com/nf-core/basic_training'
2. Create workflow from template 'nf-core create'
3. Run template pipeline 'nextflow run nf-core-demotest/ -profile test,docker --outdir test_results'
4. See error
   [0d/ca2378] process > NFCORE_DEMOTEST:DEMOTEST:FASTQC (SAMPLE3_SE) [100%] 3 of 3 ✔
   [64/bbfe5f] process > NFCORE_DEMOTEST:DEMOTEST:MULTIQC [100%] 1 of 1, failed: 1 ✘

Expected behavior
[57/dcefc0] process > NFCORE_DEMOTEST:DEMOTEST:FAST... [100%] 3 of 3 ✔
[84/73e014] process > NFCORE_DEMOTEST:DEMOTEST:MULTIQC [100%] 1 of 1 ✔