update to 0.8.9

[Tunji17]

Removes the solc >=0.4.22 <0.6 dependency

[openzeppelin-code[bot]]

update to 0.8.9

Generated at commit: d354948381c0862ca1bb744bfbf73a75adf9bc39

🚨 Report Summary

	Severity Level	Results
Contracts	Critical High Medium Low Note Total	1 2 0 6 33 42
Dependencies	Critical High Medium Low Note Total	0 0 0 0 0 0

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