Try fixing syntax

Author: JunTaoLuo

.github/workflows/tugboat-pr-closed.yml

@@ -22,6 +22,6 @@ jobs:
             ref: 'main',
             inputs: {
               action: 'delete',
-              pr_number: ${{ github.event.pull_request.number }},
+              pr_number: '${{ github.event.pull_request.number }}',
             }
           });

.github/workflows/tugboat-pr-opened.yml

@@ -23,7 +23,7 @@ jobs:
             ref: 'main',
             inputs: {
               action: 'create',
-              pr_number: ${{ github.event.pull_request.number }},
+              pr_number: '${{ github.event.pull_request.number }}',
               pr_title: '${{ github.event.pull_request.title }}',
             }
           });

.github/workflows/tugboat-pr-updated.yml

@@ -22,6 +22,6 @@ jobs:
             ref: 'main',
             inputs: {
               action: 'rebuild',
-              pr_number: ${{ github.event.pull_request.number }},
+              pr_number: '${{ github.event.pull_request.number }}',
             }
           });