fix: Fix image digest replacement

.gitea/workflows/docker-kubernetes.yaml

@@ -91,8 +91,10 @@ jobs:
       - name: Kustomize manifests
         if: inputs.push_manifests == 'true'
         run: |
-          # TODO: Fix this
-          ./kustomize build ./manifests | sed "s/\${DIGEST}/${{ steps.build.outputs.digest }}/" > ./manifests.yaml
+          curl -L https://github.com/hairyhenderson/gomplate/releases/download/v4.3.3/gomplate_linux-amd64 -o gomplate
+          chmod +x ./gomplate
+          echo ${{ steps.images.outputs.images }} > ./images.json
+          ./kustomize build ./manifests | ./gomplate --context images="file://${PWD}/images.json" > ./manifests.yaml
 
       - name: Push manifests
         if: inputs.push_manifests == 'true'