Bump version to 2.7.6 #644

Job	Run time
Rust Unit Tests (ubuntu-24.04-arm)	1m 31s
Rust Unit Tests (windows-latest)	2m 15s
Pure Python Fallback	1h 0m 0s
Rust Unit Tests (macos-latest)	1m 42s
Python Tests (ubuntu-24.04-arm, py3.11)	18m 27s
Python Tests (ubuntu-latest, py3.11)	39m 9s
Rust Unit Tests (ubuntu-latest)	1m 20s
Python Tests (macos-latest, py3.13)	16m 5s
Python Tests (ubuntu-latest, py3.13)	40m 0s
Python Tests (windows-latest, py3.13)	36m 43s
Python Tests (windows-latest, py3.11)	36m 36s
Python Tests (macos-latest, py3.11)	15m 23s
Python Tests (ubuntu-24.04-arm, py3.13)	18m 45s
	4h 47m 56s

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