Break time on the first day didn't align with OpenInfra time

Rearranged talks accordingly

Change-Id: I8c0ac4110b9a371d38ddc4c46e0d3bd642952620
diff --git a/schedule.md b/schedule.md
index 7335b24..029b6c5 100644
--- a/schedule.md
+++ b/schedule.md
@@ -23,10 +23,10 @@
 | 12:10    | [How to do code review like a pro (15 mins)](lightning-talks/how-to-code-review.md)                              |
 | 12:40    | Lunch & Networking                                                                                               |
 | 14:10    | [Characterizing the Prevalence, Distribution, and Duration of Stale Reviewer Recommendations](sessions/characterizing-stale-reviewer-recommendations.md)|
-| 15:00    | [GitButler](sessions/gitbutler.md)                                                                               |
-| 15:30    | [Contributing to Gerrit: challenges and rewards of Open Source development](lightning-talks/contributing-to-gerrit.md)|
-| 15:45    | Break                                                                                                            |
-| 16:00    | Q&A with the maintainers                                                                                         |
+| 14:55    | [GitButler](sessions/gitbutler.md)                                                                               |
+| 15:20    | Break                                                                                                            |
+| 15:50    | [Contributing to Gerrit: challenges and rewards of Open Source development](lightning-talks/contributing-to-gerrit.md)|
+| 16:10    | Q&A with the maintainers                                                                                         |
 | 16:45    | [Scaling Gerrit: JVM Tuning, Upgrades, and Architecture Enhancements from the SRE Perspective](sessions/scaling-gerrit.md)|
 | 17:35    | End of the day                                                                                                   |