Bump version to 0.26.1 #1177

Job	Run time
Check coding standards	31s
Run tests (Ubuntu, 3.8)	1m 31s
Run tests (Ubuntu, 3.9)	1m 39s
Run tests (Ubuntu, 3.10)	1m 38s
Run tests (Ubuntu, 3.11)	1m 37s
Run tests (Ubuntu, 3.12)	1m 42s
Run tests (MacOS, 3.8)	2m 5s
Run tests (MacOS, 3.9)	1m 32s
Run tests (MacOS, 3.10)	2m 34s
Run tests (MacOS, 3.11)	1m 57s
Run tests (MacOS, 3.12)	1m 13s
Run tests (Windows, 3.9)	2m 46s
Run tests (Windows, 3.10)	2m 58s
Run tests (Windows, 3.11)	2m 45s
Run tests (Windows, 3.12)	2m 57s
Build distribution	11s
Upload release to PyPI	0s
Upload homebrew formula	0s
Sign the Python 🐍 distribution 📦 with Sigstore and upload them to GitHub Release	0s
	29m 36s

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