Regenerate cargo vet exemptions

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/docker.yaml

@@ -255,7 +255,7 @@ jobs:
         target: [rp, rosenpass]
     steps:
       - name: Download digests
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           path: ${{ runner.temp }}/digests
           pattern: digests-${{ matrix.target }}-*

supply-chain/config.toml

@@ -257,10 +257,6 @@ criteria = "safe-to-deploy"
 version = "0.10.7"
 criteria = "safe-to-deploy"
 
-[[exemptions.embedded-io]]
-version = "0.6.1"
-criteria = "safe-to-deploy"
-
 [[exemptions.env_logger]]
 version = "0.10.2"
 criteria = "safe-to-deploy"

supply-chain/imports.lock

@@ -138,6 +138,12 @@ criteria = "safe-to-deploy"
 version = "0.4.0"
 notes = "No `unsafe` code and only uses `std` in ways one would expect the crate to do so."
 
+[[audits.bytecode-alliance.audits.embedded-io]]
+who = "Alex Crichton <alex@alexcrichton.com>"
+criteria = "safe-to-deploy"
+delta = "0.4.0 -> 0.6.1"
+notes = "Major updates, but almost all safe code. Lots of pruning/deletions, nothing out of the ordrinary."
+
 [[audits.bytecode-alliance.audits.errno]]
 who = "Dan Gohman <dev@sunfishcode.online>"
 criteria = "safe-to-deploy"