Merge pull request aws#1625 from awslabs/release-1-25-0

Release Changes for 1.25.0

Merge pull request aws#1602 from awslabs/develop

Chore: Release 1.24.0

Merge pull request aws#1584 from awslabs/release/v1.23.0

Release/v1.23.0

merge pull request aws#1519 from awslabs/release/v1.22.0

chore: merge pull request aws#1462 from awslabs/release/v1.21.0

chore: merge pull request aws#1394 from awslabs/release/v1.20.1

Release/v1.20.1

Merge pull request aws#1382 from awslabs/release/v1.20.0

Release/v1.20.0

chore: merge pull request aws#1339 from awslabs/release/v1.19.1

chore: merge Release/v1.19.1 into master

chore: merge pull request aws#1291 from awslabs/release/v1.19.0

chore: merge release/v1.19.0 into master

feat: adding support for provisioned concurrency (aws#1284) (aws#1285)