chore: add C++ icon for *.cuh #2380

Job	Run time
check_if_pr	1s
security_audit	15s
no-merge-commits	3s
Conventional Commits	3s
unit-tests-openbsd	7m 57s
unit-tests (ubuntu-latest, 1.70.0)	2m 29s
unit-tests (ubuntu-latest, stable)	2m 19s
Build Nix package (x86_64-linux)	4m 46s
Check Nix Flake (build, x86_64-linux)	2m 25s
unit-tests-freebsd	5m 22s
unit-tests (ubuntu-latest, beta)	2m 48s
Check Nix Flake (formatting, x86_64-linux)	1m 6s
unit-tests-netbsd	7m 17s
unit-tests (ubuntu-latest, nightly)	2m 29s
Check Nix Flake (lint, x86_64-linux)	2m 13s
unit-tests (macos-latest, 1.70.0)	2m 25s
Check Nix Flake (pre-commit-check, x86_64-linux)	1m 31s
unit-tests (macos-latest, stable)	40s
Check Nix Flake (test, x86_64-linux)	3m 56s
unit-tests (macos-latest, beta)	2m 39s
Check Nix Flake (trycmd, x86_64-linux)	2m 2s
unit-tests (macos-latest, nightly)	48s
unit-tests (windows-latest, 1.70.0)	4m 10s
unit-tests (windows-latest, stable)	4m 38s
unit-tests (windows-latest, beta)	4m 12s
unit-tests (windows-latest, nightly)	4m 21s
	1h 12m 55s

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