Fix typo on entrypoint

Author: thyarles

Diff for: entrypoint.sh

@@ -30,7 +30,7 @@ AUT=${VTEX_AUTHENTICATE:-true}
 [[ -n $CHECK ]] && AUT='false'
 
 # Show toolbelt version used as GitHub notice
-VERSION="$($BIN --version) [from https://github.com/$GIT/tree/$VBCH]"
+VERSION="$($BIN --version) [from https://github.com/$GIT/tree/$BCH]"
 echo ::notice title=Toolbelt version used::$VERSION
 
 # If VTEX_AUTHENTICATE is true
@@ -71,4 +71,4 @@ if [[ $AUT == 'true' ]]; then
     echo $CHECK
 else
     echo "===> Authentication process skipped."
-fi
+fi