deps: bump flox/install-flox-action from 2.3.0 to 2.4.0

[dependabot]

Bumps flox/install-flox-action from 2.3.0 to 2.4.0.

Release notes

Sourced from flox/install-flox-action's releases.

v2.4.0

What's New

• Nix fallback: When Nix is pre-installed, installs Flox via nix profile install instead of failing
• Package caching: New use-cache input caches downloaded packages for faster subsequent runs
• Proxy support: New proxy input for HTTP/HTTPS/SOCKS5 proxy configuration
• Post-install configuration: New inputs for trusted-environments, extra-nix-config, extra-substituters, extra-substituter-keys, extra-flox-config, disable-upgrade-notifications
• GitHub token: New github-token input for Nix flake rate limiting
• Action outputs: flox-version, flox-path, nix-detected
• Job summary: GitHub Actions Job Summary with installation details
• Benchmarks: Added scripts/benchmark.sh for installation performance comparison
• CI: Added nektos/act job for local runner testing

New Inputs

Input	Description	Default
github-token	GitHub token for Nix flake rate limiting	${{ github.token }}
trusted-environments	Comma-separated FloxHub envs to trust	""
extra-nix-config	Lines to append to /etc/nix/nix.conf	""
extra-substituters	Nix binary cache URLs	""
extra-substituter-keys	Public keys for extra substituters	""
proxy	HTTP/HTTPS/SOCKS5 proxy URL	""
disable-upgrade-notifications	Suppress upgrade notifications	"true"
extra-flox-config	Key=value pairs for flox config --set	""
use-cache	Cache downloaded package for faster runs	"true"

New Outputs

Output	Description
flox-version	Installed flox version string
flox-path	Absolute path to flox binary
nix-detected	Whether Nix was pre-installed

Commits

• c94e7e1 chore(deps): rebuild dist/ after rebase
• 6be0e4b docs: document new inputs, outputs, and Nix fallback behavior
• 16cc78b chore(deps): Update dist/
• ad9ed69 fix(cache): include platform in restore keys to prevent cross-platform cache ...
• 1f847da fix: use full package filename in cache path
• e6f83e5 feat: add package download caching via @​actions/cache
• d71d0a1 chore(deps): Update dist/
• 6c67d5b feat: add benchmark tooling for installation comparison
• 3a84b41 chore(deps): Update dist/
• 624b4df feat: add extra-flox-config input and nektos/act CI test
• Additional commits viewable in compare view

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