chore(deps): update pnpm to v9.15.0 #1612

Job	Run time
Build (ubuntu-22.04)	1m 10s
Build-Executable-windows-2022	1m 59s
Test-windows-2022	10m 29s
Build-Executable-ubuntu-24.04	57s
Docker-setup-cpp-ubuntu-llvm	3m 32s
Test-windows-2019	10m 59s
Build-Executable-macos-13	1m 46s
Docker-setup-cpp-fedora-llvm	3m 22s
Build-Executable-macos-14	1m 3s
Test-ubuntu-24.04	5m 44s
Docker-setup-cpp-arch-llvm	7m 3s
Test-ubuntu-22.04	6m 44s
Docker-setup-cpp-ubuntu-mingw	4m 5s
Test-ubuntu-20.04	6m 51s
Test-macos-14	4m 38s
Test-macos-13	9m 9s
Test-macos-12	1s
Release	0s
	1h 19m 32s

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