Bump bootsnap from 1.18.6 to 1.19.0 in /demo (#3794)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: LiuLiu <liuliu-dev@github.com>

Author: dependabot[bot]

demo/Gemfile.lock

@@ -54,7 +54,7 @@ GEM
     base64 (0.3.0)
     benchmark (0.5.0)
     bigdecimal (3.3.1)
-    bootsnap (1.18.6)
+    bootsnap (1.19.0)
       msgpack (~> 1.2)
     builder (3.3.0)
     byebug (12.0.0)