CI(deps): Update conda-incubator/setup-miniconda action to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
conda-incubator/setup-miniconda	action	major	v2 -> v3

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Release Notes

conda-incubator/setup-miniconda (conda-incubator/setup-miniconda)

v3

Compare Source

Features

• #​308 Update to node20
• #​291 Add conda-solver option (defaults to libmamba)

Fixes

• #​299 Fix condaBasePath when useBundled is false, and there's no pre-existing
  conda

Documentation

• #​309 Switch to main branch based development
• #​313 Specify team conda-incubator/setup-miniconda as codeowners
• #​318 README: update actions in examples, add security section, similar
  actions

Tasks and Maintenance

• #​307 Run dependabot against main branch and also update node packages
• #​311 Bump actions/checkout from 2 to 4
• #​310 Bump actions/cache from 1 to 3
• #​314 Strip/update dependencies
• #​315 Split lint into check and build, switch from npm install to npm ci
• #​317 Bump normalize-url from 4.5.1 to 8.0.0
• #​316 Faster workflow response / saving resources via timeout/concurrency
  policy

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