Fix: Solve issue for building the package on MacOs. (#401)

Author: nesitor

.github/workflows/pytest.yml

@@ -35,8 +35,7 @@ jobs:
         if: startsWith(matrix.os, 'macos-')
         run: |
           brew update
-          brew tap cuber/homebrew-libsecp256k1
-          brew install libsecp256k1
+          brew install secp256k1
           brew install automake
 
       - name: Set up Python for macOS

.github/workflows/test-build.yml

@@ -30,8 +30,7 @@ jobs:
         if: startsWith(matrix.os, 'macos-')
         run: |
           brew update
-          brew tap cuber/homebrew-libsecp256k1
-          brew install libsecp256k1
+          brew install secp256k1
 
       - name: Set up Python for macOS
         if: startsWith(matrix.os, 'macos')