fix: invalid editorconfig (open-feature#244)

## This PR
Typo that was made under PR
open-feature#242

Signed-off-by: Benjamin Evenson <2031163+benjiro@users.noreply.github.com>
Co-authored-by: Todd Baert <todd.baert@dynatrace.com>
Signed-off-by: Artyom Tonoyan <artonoyan@servicetitan.com>

.editorconfig

@@ -146,7 +146,7 @@ dotnet_diagnostic.IDE0005.severity = error
 dotnet_diagnostic.RS0041.severity = suggestion
 
 # CA2007: Do not directly await a Task
-dotnet_diagnostic.CA2007.severity = errorgit 
+dotnet_diagnostic.CA2007.severity = error
 
 [obj/**.cs]
 generated_code = true