Bump version to 0.11.0

[nhz2]

How to migrate from v0.10 to v0.11

v0.11 has a few subtle breaking changes to eof and seekend.

Memory(data::ByteData)

The Memory(data::ByteData) constructor was removed.
Use Memory(pointer(data), sizeof(data)) instead.

seekend(stream::TranscodingStream)

Generic seekend for TranscodingStream was removed.
If the objective is to discard all remaining data in the stream, use skip(stream, typemax(Int64)) instead where typemax(Int64) is meant to be a large number to exhaust the stream.
Ideally, specific implementations of TranscodingStream will implement seekend only if efficient means exist to avoid fully processing the stream.
NoopStream still supports seekend.

The previous behavior of the generic seekend was something like
(seekstart(stream); seekend(stream.stream); stream) but this led to
inconsistencies with the position of the stream.

eof(stream::TranscodingStream)

eof now throws an error if called on a stream that is closed or in writing mode.
Use !isreadable(stream) || eof(stream) if you need to more closely match previous behavior.

[nhz2]

I plan to do a patch bump for updating the Codec packages, because these changes mainly affect packages that directly depend on TranscodingStreams.