CI-CD Updates (#768)

* Use new version of CI-CD Actions
* Use cSpell spell check, and use ubuntu-20.04 for formatting check
* Format and spell check all files in the portable directory
* Remove the https:// from #errors and #warnings as uncrustify attempts to change it to /*
* Use checkout@v3 instead of checkout@v2 on all jobs
---------

.github/workflows/git-secrets.yml

@@ -7,11 +7,11 @@ jobs:
   git-secrets:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: recursive
       - name: Checkout awslabs/git-secrets
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: awslabs/git-secrets
           ref: master