Update action versions in linter workflow

Signed-off-by: Zack Koppert <zkoppert@github.com>

Author: zkoppert

.github/workflows/linter.yaml

@@ -18,13 +18,13 @@ jobs:
       statuses: write
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           # Full git history is needed to get a proper
           # list of changed files within `super-linter`
           fetch-depth: 0
           persist-credentials: false
-      - uses: actions/setup-python@v6.2.0
+      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: "3.12"
       - name: Install dependencies