MetaReader.py: call subprocess.check_output with text=True

Since python version 3.7, subprocess.check_output (and other methods of the subprocess module) return bytes instead of a string. This MR sets the argument Text to true to obtain a string.

This merge request affects 1 package:

• Tools/PyUtils

This merge request affects 1 file:

• Tools/PyUtils/python/MetaReader.py

added Tools analysis-review-required main review-pending-level-1 labels

CI Result SUCCESS (hash a89a1541)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 4536]

The change looks good to me from AR side, so approving

Giovanni (AR)

removed analysis-review-required label

added analysis-review-approved label

Looks good to me. L1

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit cade9376

mentioned in merge request !68901 (merged)