ci: fix broken and redundant doc links

Author: apoelstra

src/descriptor/mod.rs

@@ -642,7 +642,7 @@ impl Descriptor<DescriptorPublicKey> {
     /// See [`at_derivation_index`] and `[derived_descriptor`] for more documentation.
     ///
     /// [`at_derivation_index`]: Self::at_derivation_index
-    /// [`derived_descriptor`]: crate::DerivedDescriptor::derived_descriptor
+    /// [`derived_descriptor`]: crate::Descriptor::derived_descriptor
     ///
     /// # Errors
     ///

src/psbt/mod.rs

@@ -567,7 +567,7 @@ pub trait PsbtExt {
     ///
     /// Based on the sighash
     /// flag specified in the [`Psbt`] sighash field. If the input sighash flag psbt field is `None`
-    /// the [`sighash::TapSighashType::Default`](bitcoin::sighash::TapSighashType::Default) is chosen
+    /// the [`sighash::TapSighashType::Default`] is chosen
     /// for for taproot spends, otherwise [`EcdsaSighashType::All`](bitcoin::sighash::EcdsaSighashType::All) is chosen.
     /// If the utxo at `idx` is a taproot output, returns a [`PsbtSighashMsg::TapSighash`] variant.
     /// If the utxo at `idx` is a pre-taproot segwit output, returns a [`PsbtSighashMsg::SegwitV0Sighash`] variant.