Added 'funding.json' for Retro Funding #143

Job	Run time
kzg_ci	45s
backend_ci (ubuntu-latest, blst)	12m 38s
backend_ci (ubuntu-latest, zkcrypto)	12m 47s
backend_ci (ubuntu-latest, arkworks)	13m 57s
backend_ci (ubuntu-latest, arkworks3)	10m 58s
backend_ci (ubuntu-latest, constantine)	18m 52s
backend_ci (windows-latest, blst)	4m 3s
backend_ci (windows-latest, zkcrypto)	5m 1s
backend_ci (windows-latest, arkworks)	4m 55s
backend_ci (windows-latest, arkworks3)	4m 23s
backend_ci (windows-latest, constantine)	7m 50s
backend_ci (macos-latest, blst)	6m 30s
backend_ci (macos-latest, zkcrypto)	5m 35s
backend_ci (macos-latest, arkworks)	5m 26s
backend_ci (macos-latest, arkworks3)	6m 35s
backend_ci (macos-latest, constantine)	9m 14s
	2h 9m 29s

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