Update Rust crate rodio to 0.20.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
rodio	dependencies	minor	0.19.0 -> 0.20.0

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Release Notes

RustAudio/rodio (rodio)

v0.20.1

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Fixed

• Builds without the symphonia feature did not compile

v0.20.0

Compare Source

Added

• Support for ALAC/AIFF
• Add automatic_gain_control source for dynamic audio level adjustment.
• New test signal generator sources:
  • SignalGenerator source generates a sine, triangle, square wave or sawtooth
    of a given frequency and sample rate.
  • Chirp source generates a sine wave with a linearly-increasing
    frequency over a given frequency range and duration.
  • white and pink generate white or pink noise, respectively. These
    sources depend on the rand crate and are guarded with the "noise"
    feature.
  • Documentation for the "noise" feature has been added to lib.rs.
• New Fade and Crossfade sources:
  • fade_out fades an input out using a linear gain fade.
  • linear_gain_ramp applies a linear gain change to a sound over a
    given duration. fade_out is implemented as a linear_gain_ramp and
    fade_in has been refactored to use the linear_gain_ramp
    implementation.

Fixed

• Sink.try_seek now updates controls.position before returning. Calls to Sink.get_pos
  done immediately after a seek will now return the correct value.

Changed

• SamplesBuffer is now Clone

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Release Notes:

• N/A