Bump actions/checkout from 4.1.1 to 4.1.2

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.1 to 4.1.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@b4ffde6...9bb5618)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/dev.yml

@@ -14,7 +14,7 @@ jobs:
         - develop
         - releases/v0.21
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+    - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
 
     - name: Set up Spack
       uses: ./

action.yml

@@ -25,7 +25,7 @@ runs:
   using: "composite"
   steps:
   - name: Checkout Spack
-    uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+    uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
     with:
       repository: spack/spack
       path: ${{ inputs.path }}