fix: corrected package version

Author: nijel

install-graylog

@@ -11,8 +11,8 @@ fi
 
 # Install package
 wget https://downloads.graylog.org/repo/packages/graylog-sidecar-repository_1-6_all.deb
-dpkg -i graylog-sidecar-repository_1-4_all.deb
-rm graylog-sidecar-repository_1-4_all.deb
+dpkg -i graylog-sidecar-repository_1-6_all.deb
+rm graylog-sidecar-repository_1-6_all.deb
 apt-get update
 apt-get install -y graylog-sidecar