CICD

Bump quick-xml from 0.30.0 to 0.31.0 #1496

Job	Run time
Test coverage (gcc-10, clang-11)	3m 11s
Test library (macos-latest, stable)	1m 20s
Lint	2m 57s
Test coverage (gcc-11, clang-12)	2m 37s
Test library (macos-latest, nightly)	2m 14s
Test coverage (gcc-11, clang-13)	2m 38s
Test library (ubuntu-latest, stable)	2m 18s
Test library (ubuntu-latest, nightly)	1m 47s
Test library (windows-latest, stable)	3m 53s
Test library (windows-latest, nightly)	3m 37s
	26m 32s

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