Tab was messing things up #3675

Job	Run time
Python scripts black lint check	11s
Labs (ubuntu-latest)	45s
List-Courses	4s
Contrib scripts check	1m 14s
Labs-Slides	1m 11s
Slides (gnat_studio)	2m 10s
Slides (gnatsas)	4m 47s
Slides (spark_essentials)	6m 26s
Slides (rust_essentials/standard_course.txt)	2m 34s
Slides (gnatdas)	4m 14s
Slides (ada_essentials/advanced.txt)	3m 21s
Slides (ada_essentials/standard_course.txt)	3m 44s
Slides (rust_essentials/comprehensive_course.txt)	2m 34s
Slides (toolchain)	1m 57s
Slides (rust_essentials)	8m 39s
Slides (static_analysis_via_compiler)	1m 51s
Slides (advanced_exception_analysis)	1m 43s
Slides (gnatdas/standard_course.txt)	1m 27s
Slides (gnat_project_facility)	2m 56s
Slides (gnatsas/standard_course.txt)	2m 5s
Slides (misc_tools)	1m 58s
Slides (ada_essentials)	14m 47s
Slides (gnat_studio/course.txt)	1m 55s
Slides (gnat_project_facility/standard_course.txt)	1m 53s
Slides (spark_essentials/standard_course.txt)	3m 0s
Slides (toolchain/gnat_toolchain.txt)	2m 22s
	1h 19m 48s

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