ci: switch to custom build action #68

Job	Run time
🧹 Pre-commit	31s
🔨 Build distribution	19s
🧪 Installation test (3.12)	32s
🧪 Installation test (3.7)	2m 57s
🧪 Installation test (3.11)	32s
🧪 Installation test (3.10)	29s
🧪 Installation test (3.13)	39s
🧪 Installation test (3.8)	31s
🧪 Installation test (3.9)	29s
🧪 E2E tests (master, 3.9)	3m 16s
🧪 E2E tests (master, 3.7)	6m 28s
🧪 E2E tests (master, 3.11)	3m 34s
🧪 E2E tests (master, 3.12)	3m 27s
🧪 E2E tests (maintenance, 3.11)	3m 35s
🧪 E2E tests (maintenance, 3.9)	3m 26s
🧪 E2E tests (maintenance, 3.13)	3m 26s
🧪 E2E tests (master, 3.8)	3m 18s
🧪 E2E tests (master, 3.10)	3m 48s
🧪 E2E tests (master, 3.13)	3m 24s
🧪 E2E tests (maintenance, 3.10)	3m 40s
🧪 E2E tests (maintenance, 3.12)	3m 29s
📦 Publish on TestPyPI	-1s
📦 Publish tagged releases to PyPI	-1s
	51m 48s

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