ci(workflows): [ci] skip gitguardian job for @dependabot

- status checks and job dependencies require steps to be skipped individually

Signed-off-by: Lexus Drumgold <unicornware@flexdevelopment.llc>

Author: unicornware

.github/workflows/ci.yml

@@ -142,13 +142,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - id: checkout
+        if: github.actor != 'dependabot[bot]'
         name: Checkout ${{ env.REF_NAME }}
         uses: actions/checkout@v4.2.2
         with:
           fetch-depth: 0
           persist-credentials: false
           ref: ${{ env.REF }}
       - id: scan
+        if: github.actor != 'dependabot[bot]'
         name: Scan commits for secrets and policy breaches
         uses: GitGuardian/ggshield-action@v1.34.0
         env: