use ccache for linalgpp #438

Job	Run time
macos-latest: clang++ Release linalg=netlib	3m 11s
macos-latest: clang++ Release linalg=netlib	42s
macos-latest: clang++ Release linalg=netlib	43s
macos-latest: clang++ Release linalg=vendor	2m 59s
macos-latest: clang++ Release linalg=vendor	40s
macos-latest: clang++ Release linalg=vendor	42s
ubuntu-22.04: /usr/bin/g++-12 Release linalg=netlib	3m 38s
ubuntu-22.04: /usr/bin/g++-12 Release linalg=netlib	42s
ubuntu-22.04: /usr/bin/g++-12 Release linalg=netlib	31s
ubuntu-22.04: /usr/bin/g++-12 Release linalg=vendor	4m 21s
ubuntu-22.04: /usr/bin/g++-12 Release linalg=vendor	48s
ubuntu-22.04: /usr/bin/g++-12 Release linalg=vendor	46s
macos-latest: clang++ Debug linalg=netlib	2m 44s
macos-latest: clang++ Debug linalg=netlib	28s
macos-latest: clang++ Debug linalg=netlib	32s
macos-latest: clang++ Debug linalg=vendor	3m 14s
macos-latest: clang++ Debug linalg=vendor	32s
macos-latest: clang++ Debug linalg=vendor	47s
ubuntu-22.04: /usr/bin/g++-12 Debug linalg=netlib	3m 26s
ubuntu-22.04: /usr/bin/g++-12 Debug linalg=netlib	50s
ubuntu-22.04: /usr/bin/g++-12 Debug linalg=netlib	35s
ubuntu-22.04: /usr/bin/g++-12 Debug linalg=vendor	4m 28s
ubuntu-22.04: /usr/bin/g++-12 Debug linalg=vendor	37s
ubuntu-22.04: /usr/bin/g++-12 Debug linalg=vendor	40s
	38m 36s

Provide feedback