Update events with info about skipping July’s SiB stream

.hugo/content/events/_index.md

@@ -24,7 +24,7 @@ __Watch <a href='/videos'>past episodes</a>, with transcripts and captions, on <
 ### Next Stream
 
   - __Title:__ To be confirmed
-  - __Date:__ Thursday, July 15, 2021
+  - __Date:__ Thursday, August 19, 2021
   - __Time:__ 5PM Cork (UTC +1)
   - __Guests:__ To be confirmed
   - __Where:__ [https://small-tech.org/small-is-beautiful](/small-is-beautiful)

.hugo/content/events/small-is-beautiful/index.md

@@ -28,9 +28,11 @@ _(For more frequent, development-related updates, see [Aral’s blog](https://ar
 
 ### Next Stream
 
-The next scheduled stream is on July 15, 2021. You can [get monthly reminders for future live streams below](#get-live-stream-reminders)
+We’re skipping July’s Small is Beautiful this month as Aral is getting his second COVID vaccination the day before. We’ll be back in August!
 
-__Date:__ Thursday, July 15, 2021
+The next scheduled stream is on August 19, 2021. You can [get monthly reminders for future live streams below](#get-live-stream-reminders)
+
+__Date:__ Thursday, August 19, 2021
 
 __Time:__ 5PM Cork (UTC +1)