feat(utxo-lib): add structured musig2 data to PSBT fixtures

Add fields for musig2Participants, musig2Nonces, and musig2PartialSigs to
PSBT fixtures that makes the data structure more accessible and easier to
understand compared to the raw key-value pairs.

Issue: BTC-2652

Co-authored-by: llm-git <[email protected]>

Author: OttoAllmendinger

modules/utxo-lib/test/bitgo/fixtures/psbt/psbt-lite.bitcoin.fullsigned.json

@@ -5,6 +5,7 @@
     "xprv9s21ZrQH143K39N9shF9hAsTwh1FvQuBk8UVsZVwr4XtpqF7stCu2LH358NLuqkkK6pu1Af7TJHr5FZERQoLLtnC7wkoM9sdFo1HuP7dWuv"
   ],
   "psbtBase64": "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+  "psbtBase64Finalized": null,
   "inputs": [
     {
       "hash": "d99efae199fc4d54e5825a8e3368a395e9eb329915cfb5d88dc311507d184836",
@@ -260,6 +261,33 @@
           "key": "fc05424954474f03021d978a17486ff9e47c82990269e531fc63981419d4ce73ee8bd2c99661c5395315c5815026f6a54b10194fc6980f1866a02d9ec128533c7997cdb4289bf3ef16",
           "value": "1cd8a0c0598b0d88f889fdf9a3140f8f088e2187803a2faaee3f13c0163eb76c"
         }
+      ],
+      "musig2Participants": {
+        "tapOutputKey": "15c5815026f6a54b10194fc6980f1866a02d9ec128533c7997cdb4289bf3ef16",
+        "tapInternalKey": "eb5ad29a85aed24de2880e774caaf624f9cb1be09c67ed4aefbb9b7bc12ddf1a",
+        "participantPubKeys": [
+          "021d978a17486ff9e47c82990269e531fc63981419d4ce73ee8bd2c99661c53953",
+          "020fdea69e40a3adef3cdc7fa6f3af02f4c9d9e3254503c96a6a2b4aa66e778171"
+        ]
+      },
+      "musig2Nonces": [
+        {
+          "participantPubKey": "020fdea69e40a3adef3cdc7fa6f3af02f4c9d9e3254503c96a6a2b4aa66e778171",
+          "tapOutputKey": "15c5815026f6a54b10194fc6980f1866a02d9ec128533c7997cdb4289bf3ef16",
+          "pubNonce": "02826949740dff45d408b1f19d94c720f53411e02c525b28ab3c593b6b530fe0370374b8a0ffcaaaee6b772dac5f7c23ef33670b32ec77c6d41efb3c36df2165a094"
+        },
+        {
+          "participantPubKey": "021d978a17486ff9e47c82990269e531fc63981419d4ce73ee8bd2c99661c53953",
+          "tapOutputKey": "15c5815026f6a54b10194fc6980f1866a02d9ec128533c7997cdb4289bf3ef16",
+          "pubNonce": "03a4aaf46f3a0bc39a73855fa875b2f2f04bdb06235afbaedf857b593dddc63cb402cdb7f1a93ec526282198d834423371757e8f43932d03b9f43c3f7378300ae508"
+        }
+      ],
+      "musig2PartialSigs": [
+        {
+          "participantPubKey": "021d978a17486ff9e47c82990269e531fc63981419d4ce73ee8bd2c99661c53953",
+          "tapOutputKey": "15c5815026f6a54b10194fc6980f1866a02d9ec128533c7997cdb4289bf3ef16",
+          "partialSig": "1cd8a0c0598b0d88f889fdf9a3140f8f088e2187803a2faaee3f13c0163eb76c"
+        }
       ]
     },
     {

modules/utxo-lib/test/bitgo/fixtures/psbt/psbt-lite.bitcoin.halfsigned.json

@@ -5,6 +5,7 @@
     "xprv9s21ZrQH143K39N9shF9hAsTwh1FvQuBk8UVsZVwr4XtpqF7stCu2LH358NLuqkkK6pu1Af7TJHr5FZERQoLLtnC7wkoM9sdFo1HuP7dWuv"
   ],
   "psbtBase64": 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+  "psbtBase64Finalized": null,
   "inputs": [
     {
       "hash": "d99efae199fc4d54e5825a8e3368a395e9eb329915cfb5d88dc311507d184836",
@@ -216,7 +217,15 @@
           "key": "fc05424954474f0115c5815026f6a54b10194fc6980f1866a02d9ec128533c7997cdb4289bf3ef16eb5ad29a85aed24de2880e774caaf624f9cb1be09c67ed4aefbb9b7bc12ddf1a",
           "value": "021d978a17486ff9e47c82990269e531fc63981419d4ce73ee8bd2c99661c53953020fdea69e40a3adef3cdc7fa6f3af02f4c9d9e3254503c96a6a2b4aa66e778171"
         }
-      ]
+      ],
+      "musig2Participants": {
+        "tapOutputKey": "15c5815026f6a54b10194fc6980f1866a02d9ec128533c7997cdb4289bf3ef16",
+        "tapInternalKey": "eb5ad29a85aed24de2880e774caaf624f9cb1be09c67ed4aefbb9b7bc12ddf1a",
+        "participantPubKeys": [
+          "021d978a17486ff9e47c82990269e531fc63981419d4ce73ee8bd2c99661c53953",
+          "020fdea69e40a3adef3cdc7fa6f3af02f4c9d9e3254503c96a6a2b4aa66e778171"
+        ]
+      }
     },
     {
       "type": "p2shP2pk",