ci: switch deploy+smoke jobs to self-hosted runner (peptide-vps)

Route deploy-staging, deploy-production, and smoke jobs through the
org self-hosted runner [self-hosted, peptide-vps] on KVM8 VPS.

This fixes the Hostinger SSH throttle: Azure eastus2/ncus ranges are
blocked at :65002; the VPS has a stable, allowlisted IP.

Callers' CI/validate jobs remain on ubuntu-latest (GitHub-hosted).

Bumps to v1.7.1.

Agent-Session: deploy-self-hosted-20260617

.github/workflows/ci.yml

@@ -5,7 +5,7 @@
 #
 #   jobs:
 #     ci:
-#       uses: peptide-repo/peptide-e2e/.github/workflows/ci.yml@main
+#       uses: peptiderepo/peptide-e2e/.github/workflows/ci.yml@main
 #       with:
 #         tests: stubs       # or wp-framework | brain-monkey | none
 #         has_js: false

.github/workflows/deploy-app.yml

@@ -72,7 +72,7 @@ jobs:
     name: Smoke tests (staging)
     needs: deploy-staging
     if: ${{ inputs.run_smoke }}
-    uses: peptide-repo/peptide-e2e/.github/workflows/smoke.yml@main
+    uses: peptiderepo/peptide-e2e/.github/workflows/smoke.yml@main
     secrets:
       STAGING_WP_ADMIN_USER: ${{ secrets.STAGING_WP_ADMIN_USER }}
       STAGING_WP_ADMIN_PASSWORD: ${{ secrets.STAGING_WP_ADMIN_PASSWORD }}

.github/workflows/smoke.yml

@@ -39,7 +39,7 @@ jobs:
       - name: Checkout peptide-e2e (explicit — workflow_call defaults to caller repo)
         uses: actions/checkout@v4
         with:
-          repository: peptide-repo/peptide-e2e
+          repository: peptiderepo/peptide-e2e
           ref: main
 
       - name: Set up Node.js