🩹[Patch]: Update workflow configurations (#79)

Updates workflow configurations to use the latest pinned action versions
for improved security and reproducibility.

- Related to PSModule workflow standardization

## Action pinning

Pinned all GitHub Actions to specific commit SHAs:

- `actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd` (v6.0.2) -
Updated from v6.0.1

Author: MariusStorhaug

.github/workflows/TestWorkflow.yml

@@ -662,7 +662,7 @@ jobs:
     steps:
       # Need to check out as part of the test, as its a local action
       - name: Checkout repo
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
       - name: Action-Test with PreserveCredentials false