Update aioamqp requirement from >=0.13.0 to >=0.15.0

[dependabot]

Updates the requirements on aioamqp to permit the latest version.

Changelog

Sourced from aioamqp's changelog.

Aioamqp 0.15.0

• Add support for Python 3.9 and 3.10.
• Drop support for Python 3.5 and 3.6.
• Fix annoying auth method warning because of a wrong defined default argument (closes #214).
• Support amqps:// URLs.
• Properly handle disabled heartbeats.
• Properly handle concurrent calls to basic_cancel.
• Drastically reduce overhead of heartbeats.
• Drop support for non-bytes payloads in basic_publish.

Aioamqp 0.14.0

• Fix waiter already exist issue when creating multiple queues (closes #105).
• Rename type to message_type in constant.Properties object to be full compatible with pamqp.
• Add python 3.8 support.

Aioamqp 0.13.0

• SSL Connections must be configured with an SSLContext object in connect and from_url (closes #142).
• Uses pamqp to encode or decode protocol frames.
• Drops support of python 3.3 and python 3.4.
• Uses async and await keywords.
• Fix pamqp _frame_parts call, now uses exposed frame_parts

Aioamqp 0.12.0

• Fix an issue to use correct int encoder depending on int size (closes #180).
• Call user-specified callback when a consumer is cancelled.

Aioamqp 0.11.0

• Fix publish str payloads. Support will be removed in next major release.
• Support for basic_return (closes #158).
• Support for missings encoding and decoding types (closes #156).

Aioamqp 0.10.0

• Remove timeout argument from all channel methods.
• Clean up uses of no_wait argument from most channel methods.
• Call drain() after sending every frame (or group of frames).
• Make sure AmqpProtocol behaves identically on 3.4 and 3.5+ wrt EOF reception.

... (truncated)

Commits

• 802bb9e Release version v0.15.0
• bf208cd Drop support for non-bytes payloads in basic_publish
• 3777574 Reduce overhead of heartbeat receiver
• 19d96d6 Rename various bits to reflect which kind of heartbeat they handle
• 7dde080 Reduce overhead of heartbeat sender
• 55cfc06 Fixed concurrent calls to basic_cancel
• b0be2c3 Do not send and do not expect heartbeat if value is 0
• 441aed6 github: add 'quality' and 'tests' CI actions
• 211e398 Release version v0.15.0b1
• ad7671c setup: update wheel's python-tag for supported versions
• Additional commits viewable in compare view

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