Remove openbao helper and replace it with more general program

This gets rid of the messy nix code for handling bitwarden
secrets, and unifies it all into a nice single program
in rust. Ensuring that only the needed secrets are loaded.

rust/Cargo.lock

@@ -555,6 +555,20 @@ dependencies = [
  "hashbrown 0.15.4",
 ]
 
+[[package]]
+name = "infrastructure"
+version = "1.0.0"
+dependencies = [
+ "anyhow",
+ "clap",
+ "common",
+ "hakari",
+ "log",
+ "nix",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.1"
@@ -795,19 +809,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "provision"
-version = "1.0.0"
-dependencies = [
- "anyhow",
- "clap",
- "common",
- "hakari",
- "log",
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "quote"
 version = "1.0.40"