Add safe guard for title before sending to github api (#265)

Author: TomasSlama

.changeset/small-icons-behave.md

@@ -0,0 +1,5 @@
+---
+'davinci-github-actions': patch
+---
+
+- add safeguard to not send empty title to github api

pr-conventional-to-toptal-commits/action.yml

@@ -21,16 +21,21 @@ runs:
             const pattern = /^\w+(?:\(.+\))?: (.*)$/
             const [, titleMessage = ''] = title.match(pattern) ?? []
 
-            return capitalize(titleMessage.trim()) ?? title
+            return capitalize(titleMessage.trim()) || title
           }
 
+          const oldTitle = context.payload.pull_request.title
+          const updatedTitle = convertConventional(oldTitle)
+
           const newPr = {
             owner: context.repo.owner,
             repo: context.repo.repo,
             pull_number: context.payload.pull_request.number,
-            title: convertConventional(context.payload.pull_request.title)
+            title: updatedTitle,
           }
 
-          github.rest.pulls.update(newPr);
+          if (oldTitle !== updatedTitle) {
+            github.rest.pulls.update(newPr);
+          }