Set fixed versions for bollard

Author: jimmiebfulton

Diff for: Cargo.toml

@@ -10,8 +10,8 @@ authors = [
 
 [dependencies]
 async-trait = "0.1.52"
-bollard = "0.11.1"
-bollard-stubs = "1.41.1"
+bollard = "= 0.11.0"
+bollard-stubs = "= 1.41.0"
 futures = "0.3"
 thiserror = "1.0"
 tokio = {version = "1.17.0", features = ["rt","macros"]}