Update changelog for version 0.40.3 (#1064)

Related to #1063

Update changelog for version 0.40.2 (#1060)

Related to #1059

Update changelog for version 0.40.1 (#1052)

Related to #1051

Update changelog for version 0.40.0 (#1041)

Related to #1039

Update changelog for version 0.39.1 (#1029)

Related to #1028

Update changelog for version 0.39.0

Related to #1016

Update changelog for version 0.38.2 (#1008)

Related to #1007

Signed-off-by: Hervé Beraud <hberaud@redhat.com>

0.38.1

#1001

Summary:
8333170 Update changelog for version 0.38.1 (#1002)
548129b Python 3.13: Use greenthread's dead state where possible (#1000)
e647bd8 Update Actions (#996)
ab617c8 Fix bug where asyncio hub didn't support multiple os threads (#995)

Update changelog for version 0.38.0 (#992)

related to #991

0.37.0

#979

Summary:
8637820 Update changelog for version 0.37.0 (#980)
8bac9b2 Describes Eventlet's Alternatives Into the Migration Guide (#971)
230d2b9 fix migration guide url (#978)
c4f4e69 os.read/write waits until file descriptor is ready. (#975)
06ec828 Upgrade RLocks as last thing we do (#970)
ec6c0ff warns about using multiple readers (#960)
ed743d7 drop header keys with underscores (#959)
64d8516 doc: Repair changelog link (#958)
c22b896 Make the docs more user friendly (#950)