Merge rust-bitcoin#1958: Fill in deprecated since NEXT-RELEASE placeh…

…older

1edc5f4 Fill in deprecated since NEXT-RELEASE placeholder (Tobin C. Harding)

Pull request description:

  As we gear up for the v0.31.0 release we can fill in the NEXT-RELEASE placeholders.

ACKs for top commit:
  sanket1729:
    utACK 1edc5f4
  apoelstra:
    ACK 1edc5f4

Tree-SHA512: 61a78e9df0d563a1ebefef3d6c3447b767c5d878f05b45e9a20aecdcef897cc9d8c40d499882a7b8d74d5e99b25a256946c39edf2f05abab370cc0223346f66b

bitcoin/src/blockdata/transaction.rs

@@ -941,7 +941,7 @@ impl Transaction {
     }
 
     /// Checks if this is a coinbase transaction.
-    #[deprecated(since = "0.0.0-NEXT-RELEASE", note = "use is_coinbase instead")]
+    #[deprecated(since = "0.31.0", note = "use is_coinbase instead")]
     pub fn is_coin_base(&self) -> bool { self.is_coinbase() }
 
     /// Returns `true` if the transaction itself opted in to be BIP-125-replaceable (RBF).