Prep Release: Bump image versions (devcontainers#392)

Author: samruddhikhandale

src/jekyll/manifest.json

@@ -1,5 +1,5 @@
 {
-	"version": "0.1.18",
+	"version": "0.1.19",
 	"variants": [
 		"2.7-bullseye",
 		"2.7-buster"
@@ -67,4 +67,4 @@
 			}
 		}
 	}
-}
+}