Changes for v2.5.3 release. Upgraded python version to 3.9 for smoke …

…tests. (confluentinc#1809)

Changes related to v2.5.3rc1 (confluentinc#1807)

Update AdminTypes.c new_total_count description (confluentinc#1789)

Corrected NewPartitions parameter description new_total_cnt to correct new_total_count

Change for the v2.5.0 release (confluentinc#1778)

Fix wheel generation for manylinux (confluentinc#1777)

Fix wheel generation for manylinux

Fix manylinux image identifier

Fix wheel generation for manylinux

version change

Fixed building fastavro for py 3.7

Style fixes