chore(deps): update step-security/harden-runner action to v2.15.0 (#120) #314

Job	Run time
Build and Test (external dependencies)	23s
Prepare list of configurations	11s
Build and Test (Coverage build with gcc)	53s
Build and Test (Release build)	56s
Build and Test (Debug + vcpkg)	1m 27s
Build and Test (Default build)	58s
Build and Test (Maintainer mode build with clang)	54s
Build and Test (Debug build)	5m 39s
Build and Test (Maintainer mode build with gcc)	56s
Build and Test (Coverage build with clang)	56s
	13m 13s

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