[ncuUpdateScript] add a small script to update our main plugins (#555)
[ncuUpdateScript] add a small script to update our main plugins (#555)


alvarolobato/blueocean-plugin,ModuloM/blueocean-plugin,kzantow/blueocean-plugin,tfennelly/blueocean-plugin,jenkinsci/blueocean-plugin,tfennelly/blueocean-plugin,kzantow/blueocean-plugin,alvarolobato/blueocean-plugin,tfennelly/blueocean-plugin,ModuloM/blueocean-plugin,alvarolobato/blueocean-plugin,jenkinsci/blueocean-plugin,kzantow/blueocean-plugin,ModuloM/blueocean-plugin,kzantow/blueocean-plugin,ModuloM/blueocean-plugin,tfennelly/blueocean-plugin,alvarolobato/blueocean-plugin,jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin