The github workflow for running the clvm_tools tests wasn't working, so fix that

[prozacchiwawa]

Check fix on the CI, then mark ready.

[coveralls-official[bot]]

Pull Request Test Coverage Report for Build 5395396952

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.005%) to 77.606%

---

Files with Coverage Reduction	New Missed Lines	%
src/py/pyval.rs	1	0%
<!--	Total:	1		-->

Totals
Change from base Build 5273541778:	0.005%
Covered Lines:	7042
Relevant Lines:	9074

---

💛 - Coveralls