fix(release): restore 2.5.21 cross builds #2256

	name: Min Rust Version (1.95.0)

	on:
	workflow_dispatch: {}
	push:
	branches: [main]
	pull_request:
	branches: [main]

	# Auto-cancel superseded PR runs: pushing again to a feature branch
	# supersedes the in-flight run instead of queueing behind it. Non-PR
	# events key on run_id so each gets its own group -- a shared group keeps
	# only ONE pending run, which would silently drop queued main SHAs.
	concurrency:
	group: msrv.yml-${{ github.event_name == 'pull_request' && github.ref \|\| github.run_id }}
	cancel-in-progress: ${{ github.event_name == 'pull_request' }}

	env:
	FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"

	jobs:
	msrv:
	name: Min Rust Version (1.95.0)
	runs-on: ubuntu-latest
	timeout-minutes: 20
	steps:
	- uses: actions/checkout@v6
	- name: Setup soldr
	id: setup-soldr
	uses: zackees/setup-soldr@v0
	with:
	version: 0.8.23
	cache: true
	build-cache: true
	target-cache: true
	prebuild-deps: none
	toolchain: 1.95.0
	# Opt out of the implicit `SOLDR_LINKER=fast` injection so cargo /
	# rust-toolchain.toml stays in charge. Silences the routine
	# "defaulting SOLDR_LINKER=fast" warning (issue #400 /
	# setup-soldr#377).
	linker: platform-default
	# Realistic zccache payload for the workspace check job is
	# ~1.5–2 GiB (issue #400). Raise the soft warn threshold above
	# the steady-state size. Hard cap stays at 6 GiB.
	cache-payload-warn-bytes: 2GiB

	- name: Check MSRV
	run: soldr cargo check --workspace

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