Update deploy-preview.yml

.github/workflows/deploy-preview.yml

@@ -36,6 +36,12 @@ name: Deploy Preview
 # read-write repo token
 # access to secrets
 on:
+  workflow_dispatch:
+    inputs:
+      prNumber:
+        required: true
+        description: Which PR to create a preview for
+
   workflow_run:
     workflows: ["CI"]
     types:
@@ -86,12 +92,12 @@ jobs:
     # this job gates the others -- if the workflow_run request did not come from a PR,
     # exit as early as possible
     runs-on: ubuntu-latest
-    if: github.event.workflow_run.event == 'pull_request'
+    if: github.event.workflow_run.event == 'pull_request' || github.event.inputs.prNumber 
     outputs:
-      number: ${{ steps.number.outputs.pr-number }}
+      number: ${{ steps.number.outputs.pr-number || github.event.inputs.prNumber }}
     steps:
-      - run: echo "${{ toJSON(github.event.workflow_run) }}"
-        name: "debug workflow_run event"
+      # - run: echo "${{ toJSON(github.event.workflow_run) }}"
+      #   name: "debug workflow_run event"
       - run: echo "${{ github.event.workflow_run.pull_requests[0].number }}"
         id: number