runtime: fix cargo.toml version to match runtime

Cargo.lock

@@ -2053,7 +2053,7 @@ dependencies = [
 
 [[package]]
 name = "joystream-node-runtime"
-version = "7.5.0"
+version = "7.5.1"
 dependencies = [
  "frame-benchmarking",
  "frame-executive",

runtime/Cargo.toml

@@ -4,7 +4,7 @@ edition = '2018'
 name = 'joystream-node-runtime'
 # Follow convention: https://github.com/Joystream/substrate-runtime-joystream/issues/1
 # {Authoring}.{Spec}.{Impl} of the RuntimeVersion
-version = '7.5.0'
+version = '7.5.1'
 
 [dependencies]
 # Third-party dependencies