v2.5.0

Arrow v2.5.0

Diff since v2.4.3

Closed issues:

• How to represent customize type field in schema (#383)
• Making Custom types documentation example work (#386)
• Tag release (#387)

Merged pull requests:

• Revert "Tag new version dev/release/release.sh (#381)" (#388) (@kou)
• fix arrowname and arrowmetadata for nullable types (#389) (@baumgold)
• add IPv4/IPv6 support to ArrowTypes (#390) (@baumgold)
• define eltype for Stream (#394) (@baumgold)
• Implement Tables.columnnames and Tables.schema for Arrow.Stream (#395) (@baumgold)
• Bump Arrow version to 2.5.0 (#406) (@baumgold)