Update pyiron_base to 0.9.4

[coveralls]

Pull Request Test Coverage Report for Build 9610110090

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 71.049%

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Totals
Change from base Build 9609727757:	0.0%
Covered Lines:	10678
Relevant Lines:	15029

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💛 - Coveralls