fix(server): Add lerc external into server package. (#3348)

### Motivation
It looks like we are missing lerc in the server cli. 

https://github.com/linz/basemaps-config/actions/runs/11061552896/job/30734619452?pr=970

![image](https://github.com/user-attachments/assets/fdbf96e6-1269-4904-9b7c-61463159929d)

### Modifications
Add the `lerc` into server and cli package

### Verification

Local build server container with lerc uninstall vs installed.

#### UNINSTALL

![image](https://github.com/user-attachments/assets/5188a74f-14a3-4c34-88ee-9765e6bccbdf)

#### INSTALLED

![image](https://github.com/user-attachments/assets/152ef321-6eca-4f6e-90ef-1fc603e2ce2a)

#### Test Screenshot with fixed container

![image](https://github.com/user-attachments/assets/555d9ee3-5914-410d-bcf1-c337c6ab2a76)

---------

Co-authored-by: Blayne Chard <bchard@linz.govt.nz>

packages/cli/package.json

@@ -30,7 +30,8 @@
       "outfile": "dist/index.cjs",
       "external": [
         "sharp",
-        "pino-pretty"
+        "pino-pretty",
+        "lerc"
       ]
     }
   ],

packages/cli/src/cli/server/action.serve.ts

@@ -9,6 +9,7 @@ import {
 
 const DefaultPort = 5000;
 
+/** @deprecated 2024-09 Use the basemaps/server container directly now, and deprecate this later. */
 export class CommandServe extends CommandLineAction {
   config!: CommandLineStringParameter;
   assets!: CommandLineStringParameter;

packages/server/package.json

@@ -35,7 +35,8 @@
       "executable": true,
       "external": [
         "pino-pretty",
-        "sharp"
+        "sharp",
+        "lerc"
       ]
     }
   ],
@@ -47,7 +48,8 @@
     "@basemaps/landing": "^7.0.0"
   },
   "dependencies": {
-    "sharp": "^0.33.0"
+    "sharp": "^0.33.0",
+    "lerc": "^4.0.4"
   },
   "devDependencies": {
     "@basemaps/config": "^7.7.0",