Merge pull request #8329 from SomberNight/202304_secp_debian

README: refer to `libsecp256k1-dev` instead of `libsecp256k1-0`

README.md

@@ -22,7 +22,7 @@ but not everything. The following sections describe how to run from source, but
 is a TL;DR:
 
 ```
-$ sudo apt-get install libsecp256k1-0
+$ sudo apt-get install libsecp256k1-dev
 $ python3 -m pip install --user ".[gui,crypto]"
 ```
 
@@ -37,7 +37,7 @@ For elliptic curve operations,
 [libsecp256k1](https://github.com/bitcoin-core/secp256k1)
 is a required dependency:
 ```
-$ sudo apt-get install libsecp256k1-0
+$ sudo apt-get install libsecp256k1-dev
 ```
 
 Alternatively, when running from a cloned repository, a script is provided to build