Upgrade input info class to allow spending from taproot transactions

Our InputInfo class contains a tx output and the matching redeem script, which is enough to spend segwit v0 transactions.
For taproot transactions, instead of a redeem script, we need a script tree instead, and the appropriate internal pubkey.

Author: sstone

eclair-core/pom.xml

@@ -188,6 +188,21 @@
             <version>4.1.94.Final</version>
         </dependency>
         <!-- BITCOIN -->
+        <dependency>
+            <groupId>fr.acinq.bitcoin</groupId>
+            <artifactId>bitcoin-kmp-jvm</artifactId>
+            <version>0.20.0-SNAPSHOT</version>
+        </dependency>
+        <dependency>
+            <groupId>fr.acinq.secp256k1</groupId>
+            <artifactId>secp256k1-kmp-jvm</artifactId>
+            <version>0.15.0</version>
+        </dependency>
+        <dependency>
+            <groupId>fr.acinq.secp256k1</groupId>
+            <artifactId>secp256k1-kmp-jni-jvm</artifactId>
+            <version>0.15.0</version>
+        </dependency>
         <dependency>
             <groupId>fr.acinq</groupId>
             <artifactId>bitcoin-lib_${scala.version.short}</artifactId>