Update abatilo/actions-poetry action to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
abatilo/actions-poetry	action	major	v2.1.4 -> v3.0.1

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Release Notes

abatilo/actions-poetry (abatilo/actions-poetry)

v3.0.1

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Bug Fixes

• ubuntu pipx installation by calling pip from python3 (#​71) (2a40fbe)

v3.0.0

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BREAKING CHANGE

Use pipx to isolate poetry (#​63) (7b6d33e)

Functionality itself should expect to be the same but the affected virtualenv is different and people might have depended on this behavior so we're considering this a breaking change.

v2.4.0

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Features

• Add ability to install plugins as part of the action setup (#​66) (a5643c6)

v2.3.0

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Features

• by default use the latest poetry version (#​62) (192395c)

v2.2.0

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Features

• update default Poetry version to 1.2.2 (#​57) (f295866)

v2.1.6

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Bug Fixes

• Updating default poetry version to 1.15 (#​49) (0816ab2)

v2.1.5

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Bug Fixes

• quote versions to fix parsing errors (c1aba0c)

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