refactor: turn staging into default environment

.github/workflows/publish.yml

@@ -86,7 +86,7 @@ jobs:
       - run: echo "IMAGE_TAG=ocelot-${{ inputs.ocelot_version }}--branded-sha-$(echo $GITHUB_SHA | cut -c 1-7)" >> $GITHUB_ENV
       - uses: helmfile/helmfile-action@80fbb6408b98822310f94d8d1321a2cacf87f78f #v1.9.2
         with:
-          helmfile-args: apply --environment staging
+          helmfile-args: apply
           helmfile-workdirectory: ./helmfile
           helm-plugins: >
             https://github.com/databus23/helm-diff,

helmfile/helmfile.yaml.gotmpl

@@ -1,8 +1,8 @@
 ---
 environments:
-  staging:
+  default:
     values:
-      - ./environments/staging.yaml.gotmpl
+      - ./environments/default.yaml.gotmpl
 ---
 repositories:
   - name: ocelot-social