ci(greetings): fix input names for first-interaction v3

v3 renamed the inputs from kebab-case (issue-message, pr-message,
repo-token) to snake_case, so every greeting run failed with
'Input required and not supplied: issue_message'.

Author: xdan

.github/workflows/greetings.yml

@@ -16,8 +16,9 @@ jobs:
         steps:
             - uses: actions/first-interaction@1c4688942c71f71d4f5502a26ea67c331730fa4d # v3.1.0
               with:
-                  repo-token: ${{ secrets.GITHUB_TOKEN }}
-                  issue-message: >
+                  # v3 renamed the inputs from kebab-case to snake_case
+                  repo_token: ${{ secrets.GITHUB_TOKEN }}
+                  issue_message: >
                       👋 Thanks for opening your first issue in Jodit!
 
 
@@ -30,7 +31,7 @@ jobs:
                       Using Jodit in a commercial product? A
                       [PRO / OEM license](https://xdsoft.net/jodit/pro/)
                       includes priority support.
-                  pr-message: >
+                  pr_message: >
                       🎉 Thanks for your first pull request to Jodit!