Upgrade miniscript/bitcoin dependency

Upgrade:

- bitcoin to v0.31.0
- miniscript to v11.0.0

Note: The bitcoin upgrade includes improvements to the
`Transaction::weight()` function, it appears those guys did good, we
no longer need to add the 2 additional weight units "just in case".

crates/chain/tests/common/mod.rs

@@ -70,7 +70,7 @@ macro_rules! changeset {
 #[allow(unused)]
 pub fn new_tx(lt: u32) -> bitcoin::Transaction {
     bitcoin::Transaction {
-        version: 0x00,
+        version: bitcoin::transaction::Version::non_standard(0x00),
         lock_time: bitcoin::absolute::LockTime::from_consensus(lt),
         input: vec![],
         output: vec![],

crates/chain/tests/common/tx_template.rs

@@ -3,8 +3,8 @@ use std::collections::HashMap;
 
 use bdk_chain::{tx_graph::TxGraph, Anchor, SpkTxOutIndex};
 use bitcoin::{
-    locktime::absolute::LockTime, secp256k1::Secp256k1, OutPoint, ScriptBuf, Sequence, Transaction,
-    TxIn, TxOut, Txid, Witness,
+    locktime::absolute::LockTime, secp256k1::Secp256k1, transaction, Amount, OutPoint, ScriptBuf,
+    Sequence, Transaction, TxIn, TxOut, Txid, Witness,
 };
 use miniscript::Descriptor;
 
@@ -68,7 +68,7 @@ pub fn init_graph<'a, A: Anchor + Clone + 'a>(
 
     for (bogus_txin_vout, tx_tmp) in tx_templates.into_iter().enumerate() {
         let tx = Transaction {
-            version: 0,
+            version: transaction::Version::non_standard(0),
             lock_time: LockTime::ZERO,
             input: tx_tmp
                 .inputs
@@ -111,11 +111,11 @@ pub fn init_graph<'a, A: Anchor + Clone + 'a>(
                 .iter()
                 .map(|output| match &output.spk_index {
                     None => TxOut {
-                        value: output.value,
+                        value: Amount::from_sat(output.value),
                         script_pubkey: ScriptBuf::new(),
                     },
                     Some(index) => TxOut {
-                        value: output.value,
+                        value: Amount::from_sat(output.value),
                         script_pubkey: spk_index.spk_at_index(index).unwrap().to_owned(),
                     },
                 })