chore(deps): bump actions/attest from 4.1.1 to 4.2.0 (#2357)

* chore(deps): bump actions/attest from 4.1.1 to 4.2.0

Bumps [actions/attest](https://github.com/actions/attest) from 4.1.1 to 4.2.0.
- [Release notes](https://github.com/actions/attest/releases)
- [Changelog](https://github.com/actions/attest/blob/main/RELEASE.md)
- [Commits](https://github.com/actions/attest/compare/a1948c3f048ba23858d222213b7c278aabede763...f7c74d28b9d84cb8768d0b8ca14a4bac6ef463e6)

---
updated-dependencies:
- dependency-name: actions/attest
  dependency-version: 4.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* chore(deps): note actions attest release version

Signed-off-by: Evan Lezar <elezar@nvidia.com>

---------

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

.github/workflows/release-dev.yml

@@ -920,7 +920,7 @@ jobs:
           cat release/openshell.rb
 
       - name: Attest VM driver artifacts
-        uses: actions/attest@a1948c3f048ba23858d222213b7c278aabede763 # v4
+        uses: actions/attest@f7c74d28b9d84cb8768d0b8ca14a4bac6ef463e6 # v4.2.0
         with:
           subject-path: |
             release/openshell-driver-vm-x86_64-unknown-linux-gnu.tar.gz

.github/workflows/release-tag.yml

@@ -978,7 +978,7 @@ jobs:
           cat release/openshell.rb
 
       - name: Attest VM driver artifacts
-        uses: actions/attest@a1948c3f048ba23858d222213b7c278aabede763 # v4
+        uses: actions/attest@f7c74d28b9d84cb8768d0b8ca14a4bac6ef463e6 # v4.2.0
         with:
           subject-path: |
             release/*.tar.gz

.github/workflows/release-vm-kernel.yml

@@ -186,7 +186,7 @@ jobs:
           merge-multiple: true
 
       - name: Attest VM runtime artifacts
-        uses: actions/attest@a1948c3f048ba23858d222213b7c278aabede763 # v4
+        uses: actions/attest@f7c74d28b9d84cb8768d0b8ca14a4bac6ef463e6 # v4.2.0
         with:
           subject-path: |
             release/vm-runtime-linux-aarch64.tar.zst