Add new proposal types to the NnsFunction enum (#612)

# Motivation

Add new proposal types to the `NnsFunction` enum:
- `DeployGuestosToSomeApiBoundaryNodes`
- `DeployGuestosToAllUnassignedNodes`
- `UpdateSshReadOnlyAccessForAllUnassignedNodes`
- `ReviseElectedHostosVersions`
- `DeployHostosToSomeNodes`

# Changes

- Update `NnsFunction` enum

# Tests

Pass.

# Todos

- [ ] Add entry to changelog (if necessary).
Not yet

packages/nns/src/enums/governance.enums.ts

@@ -128,6 +128,11 @@ export enum NnsFunction {
   AddApiBoundaryNode = 43,
   RemoveApiBoundaryNodes = 44,
   UpdateApiBoundaryNodesVersion = 46,
+  DeployGuestosToSomeApiBoundaryNodes = 47,
+  DeployGuestosToAllUnassignedNodes = 48,
+  UpdateSshReadOnlyAccessForAllUnassignedNodes = 49,
+  ReviseElectedHostosVersions = 50,
+  DeployHostosToSomeNodes = 51,
 }
 
 // Reference: https://github.com/dfinity/ic/blob/f4b2e28525ae9b030bd9edfc982e796417db2b80/rs/nns/governance/src/gen/ic_nns_governance.pb.v1.rs#L3286-L3287