Prepared release v0.9.28 (#279)

runtime/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mindwork-ai-studio"
-version = "0.9.27"
+version = "0.9.28"
 edition = "2021"
 description = "MindWork AI Studio"
 authors = ["Thorsten Sommer"]
@@ -20,8 +20,8 @@ flexi_logger = "0.29.8"
 log = { version = "0.4", features = ["kv"] }
 once_cell = "1.20"
 rocket = { version = "0.5.1", features = ["json", "tls"] }
-rand = "0.8"
-rand_chacha = "0.3.1"
+rand = "0.9"
+rand_chacha = "0.9"
 base64 = "0.22.1"
 cipher = { version = "0.4.4", features = ["std"] }
 aes = "0.8.4"