fix(deps): update rust crate diesel to 2.0.4

Cargo.lock

@@ -229,9 +229,9 @@ dependencies = [
 
 [[package]]
 name = "diesel"
-version = "2.0.3"
+version = "2.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4391a22b19c916e50bec4d6140f29bdda3e3bb187223fe6e3ea0b6e4d1021c04"
+checksum = "72eb77396836a4505da85bae0712fa324b74acfe1876d7c2f7e694ef3d0ee373"
 dependencies = [
  "bitflags",
  "byteorder",

Cargo.toml

@@ -6,7 +6,7 @@ version = "0.1.0"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-diesel = {version = "2.0.3", features = ["postgres"]}
+diesel = {version = "2.0.4", features = ["postgres"]}
 diesel_logger = "0.2.0"
 diesel_migrations = "2.0.0"
 lazy_static = "1.4.0"