fix: clean up workflow duplication and syntax

.gitea/workflows/homelab-main.yml

@@ -10,40 +10,27 @@ jobs:
   validate:
     runs-on: k8s
     container: node:18-bullseye
-    container: 
-      image: node:18-bullseye
-
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
         with:
           ref: ${{ gitea.sha }}
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ gitea.sha }}
       - name: Validate repository
         run: |
           set -euo pipefail
-
           ./jeannie validate
 
   deploy:
     runs-on: k8s
     container: node:18-bullseye
-    container: 
-      image: node:18-bullseye
     needs:
       - validate
     if: ${{ gitea.ref == 'refs/heads/main' }}
-
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
         with:
           ref: ${{ gitea.sha }}
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ gitea.sha }}
       - name: Block automatic deploy for external Gitea changes
         run: |
           set -euo pipefail