fix(ci): update kustomize image refs from ghcr.io to git.farh.net

Fixes QA finding: deploy-dev and deploy-uat jobs still referenced ghcr.io
in kustomize edit set image commands.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

.github/workflows/ci.yml

@@ -156,7 +156,7 @@ jobs:
       - name: Update receiptwitness image tag
         run: |
           cd infra/apps/overlays/dev
-          kustomize edit set image ghcr.io/cartsnitch/receiptwitness:sha-${{ github.sha }}
+          kustomize edit set image git.farh.net/cartsnitch/receiptwitness:sha-${{ github.sha }}
 
       - name: Commit and push to infra
         run: |
@@ -199,7 +199,7 @@ jobs:
       - name: Update receiptwitness image tag
         run: |
           cd infra/apps/overlays/uat
-          kustomize edit set image ghcr.io/cartsnitch/receiptwitness:${{ needs.build-and-push.outputs.calver_tag }}
+          kustomize edit set image git.farh.net/cartsnitch/receiptwitness:${{ needs.build-and-push.outputs.calver_tag }}
 
       - name: Commit and push to infra
         run: |