chore: update AssetManager address references from Songbird Testnet to Flare Testnet Coston2

Author: fassko

examples/developer-hub-javascript/fassetsExecuteMinting.ts

@@ -10,7 +10,7 @@ import {
 const { COSTON2_DA_LAYER_URL, VERIFIER_URL_TESTNET, VERIFIER_API_KEY_TESTNET } =
   process.env;
 
-// 2. AssetManager address on Songbird Testnet Coston2 network
+// 2. AssetManager address on Flare Testnet Coston2 network
 const ASSET_MANAGER_ADDRESS = "0xDeD50DA9C3492Bee44560a4B35cFe0e778F41eC5";
 
 // 3. Collateral reservation ID

examples/developer-hub-javascript/fassetsReserveCollateral.ts

@@ -7,7 +7,7 @@ import {
 
 // 1. Define constants
 
-// AssetManager address on Songbird Testnet Coston2 network
+// AssetManager address on Flare Testnet Coston2 network
 const ASSET_MANAGER_ADDRESS = "0xDeD50DA9C3492Bee44560a4B35cFe0e778F41eC5";
 // Number of lots to reserve
 const LOTS_TO_MINT = 1;