CICD

Bump symbolic-demangle from 12.2.0 to 12.5.0 #1531

Job	Run time
Lint	8m 16s
Test coverage (gcc-10, clang-11)	2m 57s
Test coverage (gcc-11, clang-12)	3m 4s
Test coverage (gcc-11, clang-13)	3m 1s
Test library (macos-latest, stable)	1m 37s
Test library (macos-latest, nightly)	1m 28s
Test library (ubuntu-latest, stable)	1m 35s
Test library (ubuntu-latest, nightly)	1m 49s
Test library (windows-latest, stable)	4m 21s
Test library (windows-latest, nightly)	3m 4s
	31m 12s

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