update semester count in About Me

Author: ethmarks

content/about/_index.md

@@ -80,7 +80,7 @@ I'm **15** years old
 
 ## Education
 
-I'm a homeschooled high school student currently in my third semester of [dual-enrollment](https://en.wikipedia.org/wiki/Dual_enrollment) at my local community college.
+I'm a homeschooled high school student currently in my fourth semester of [dual-enrollment](https://en.wikipedia.org/wiki/Dual_enrollment) at my local community college.
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