Added cubic congestion control #7

Job	Run time
Check for spelling errors	8s
docs	16s
lint	9s
package-source	14s
package-wheel (macos-latest, arm64)	3m 29s
test (ubuntu-latest, 3.12)	59s
package-wheel (macos-latest, x86_64)	2m 4s
test (ubuntu-latest, 3.11)	51s
package-wheel (ubuntu-latest, aarch64)	5m 17s
test (ubuntu-latest, 3.10)	58s
package-wheel (ubuntu-latest, i686)	1m 18s
test (ubuntu-latest, 3.9)	58s
package-wheel (ubuntu-latest, x86_64)	1m 33s
test (ubuntu-latest, 3.8)	56s
package-wheel (windows-latest, AMD64)	2m 33s
test (macos-latest, 3.12)	1m 4s
package-wheel (windows-latest, x86)	3m 8s
test (macos-latest, 3.11)	1m 10s
test (macos-latest, 3.10)	3m 16s
test (macos-latest, 3.9)	1m 4s
test (macos-latest, 3.8)	3m 25s
test (windows-latest, 3.12)	3m 57s
test (windows-latest, 3.11)	2m 32s
test (windows-latest, 3.10)	2m 26s
test (windows-latest, 3.9)	2m 28s
test (windows-latest, 3.8)	3m 38s
publish	0s
	49m 51s

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