Update Makefile

Author: staabm

Makefile

@@ -176,7 +176,7 @@ infection:
 		--coverage-xml=tmp/coverage/coverage-xml \
 		--log-junit=tmp/coverage/junit.xml
 	version=$(shell jq -r '.packages[] | select(.name == "infection/infection") | .version' build-infection/composer.lock); \
-	  wget https://github.com/infection/infection/releases/download/$$version/infection.phar --no-clobber;
+		wget https://github.com/infection/infection/releases/download/$$version/infection.phar --no-clobber;
 	php infection.phar \
 		--configuration=infection.json5 \
 		--git-diff-base=origin/2.1.x \