Bump spglib from 2.6.0 to 2.7.0 #313

Job	Run time
black	11s
unittest_old	1m 19s
minimal	35s
pip_check	55s
unittest_matrix (ubuntu-latest, 3.11, linux-64-py-3-11)	1m 14s
unittest_matrix (ubuntu-latest, 3.12, linux-64-py-3-12)	52s
unittest_matrix (macos-latest, 3.13, osx-64-py-3-13)	1m 53s
unittest_matrix (windows-latest, 3.13, win-64-py-3-13)	2m 6s
unittest_matrix (ubuntu-latest, 3.13, linux-64-py-3-13)	1m 10s
black_fix	0s
autobot	0s
	10m 15s

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