fix(readme): typo (#41)

README.md

@@ -18,7 +18,7 @@ projects for:
 | [GitHub Copilot Seats](./github_copilot/)                     | ... (implemented in Starlark)                                                   | GitHub ↔ Slack               |
 | [Google Forms to Jira](./google_forms_to_jira/)               |                                                                                 | Google Forms → Jira          |
 | [Jira Assignee From Calendar](./jira_assignee_from_calendar/) |                                                                                 | Jira ↔ Google Calendar       |
-| [Jira to Google Calendar](./jira_to_google_calendar/)         |                                                                                 | Jira &arr; Google Calendar        |
+| [Jira to Google Calendar](./jira_to_google_calendar/)         |                                                                                 | Jira → Google Calendar        |
 | [Pull Request Review Reminder (Purrr)](./purrr/)              | Streamline code reviews and cut down the turnaround time to merge pull requests | GitHub ↔ Slack               |
 | [ReviewKitteh](./reviewkitteh/)                               | Monitor pull requests, and meow at random people                                | GitHub, Google Sheets, Slack      |
 | [Task Chain](./task_chain/)                                   | Run a sequence of tasks with fault tolerance                                    | Slack                             |