Make uploading manifests optional

.gitea/workflows/rust-kubernetes.yaml

@@ -5,8 +5,9 @@ on:
     inputs:
       generate_crds:
         description: Runs a binary called gencrd in the docker container and writes the output to ./manifests/crds.yaml
-        default: false
-        required: false
+        type: boolean
+      upload_manifests:
+        description: Upload manifest files to OCI repository
         type: boolean
       webhook_url:
         description: Webhook to call after build is completed
@@ -84,10 +85,12 @@ jobs:
           docker run --rm ${{ env.OCI_REPO }}@${{ steps.build.outputs.imageid }} /crdgen > ./manifests/crds.yaml
 
       - name: Kustomize manifests
+        if: inputs.upload_manifests == true
         run: |
           ./kustomize build ./manifests | sed "s/\${DIGEST}/${{ steps.build.outputs.digest }}/" > ./manifests.yaml
 
       - name: Push manifests
+        if: inputs.upload_manifests == true
         run: |
           flux push artifact oci://${{ env.OCI_REPO }}/manifests:${{ gitea.head_ref || gitea.ref_name }} \
             --path="./manifests.yaml" \