Bump vmactions/freebsd-vm from 0.2.6 to 0.2.8 (#934)

Bumps [vmactions/freebsd-vm](https://github.com/vmactions/freebsd-vm) from 0.2.6 to 0.2.8.
- [Release notes](https://github.com/vmactions/freebsd-vm/releases)
- [Commits](https://github.com/vmactions/freebsd-vm/compare/v0.2.6...v0.2.8)

---
updated-dependencies:
- dependency-name: vmactions/freebsd-vm
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/test.yml

@@ -59,7 +59,7 @@ jobs:
     - uses: actions/checkout@v3
     - name: Run checks
       id: test
-      uses: vmactions/freebsd-vm@v0.2.6
+      uses: vmactions/freebsd-vm@v0.2.8
       with:
         usesh: true
         prepare: pkg install -y gnupg bash gmake git gawk