snapcraft 8.2.1

[BrewTestBot]

Created by brew bump

---

Created with brew bump-formula-pr.

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release notes

## Core
The release of 8.2.1 fixes some regressions with core24 snaps and some improvements to the remote-builder.
core24

Project variables are now evaluated in a snapcraft.yaml and available as environment variables in the build environment.
Root-level part keywords build-packages and build-snaps support advanced grammar.
Local key assets in snap/keys are used when installing package repositories.

Remote build

gpg and dirmngr are installed at runtime for projects with package repositories.  This allows remote builds of core24 snaps with package repositories.

Known issues

Project variables CRAFT_PROJECT_NAME and CRAFT_PROJECT_VERSION are not evaluated (Set the project environment in the Lifecycle Service canonical/craft-application#320).
snapcraft list-plugins does not work in core24 project directories (Migrate commands to craft-application command canonical/snapcraft#4742)
Advanced grammar cannot be used alongside other data types (Regression: Advanced grammar cannot be combined with other data canonical/snapcraft#4764)

What's Changed

tests: fix devel base snap test by @mr-cal in tests: fix devel base snap test canonical/snapcraft#4755
fix: install gpg and dirmngr in core24 builds by @tigarmo in fix: install gpg and dirmngr in core24 builds canonical/snapcraft#4754
fix: set project variables for core24 by @mr-cal in fix: set project variables for core24 canonical/snapcraft#4757
tests: add tests for advanced grammar in root keywords by @mr-cal in tests: add tests for advanced grammar in root keywords canonical/snapcraft#4753
fix: use local keys for package-repos in core24 by @tigarmo in fix: use local keys for package-repos in core24 canonical/snapcraft#4758

Full Changelog: canonical/snapcraft@8.2.0...8.2.1

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