ci: bump macos-13 image to macos-15

Author: thunderbiscuit

.github/workflows/publish-python.yaml

@@ -51,7 +51,7 @@ jobs:
 
   build-macos-arm64-wheels:
     name: "Build macOS arm64 wheel"
-    runs-on: macos-13
+    runs-on: macos-15
     strategy:
       matrix:
         python:
@@ -94,7 +94,7 @@ jobs:
 
   build-macos-x86_64-wheels:
     name: "Build macOS x86_64 wheel"
-    runs-on: macos-13
+    runs-on: macos-15-intel
     strategy:
       matrix:
         python:

.github/workflows/test-bdk-ffi-latest.yaml

@@ -71,7 +71,7 @@ jobs:
 
   test-bdk-ffi-latest-macos-arm64-wheels:
     name: "Build and run unittest on macOS arm64 wheels against the latest commit on bdk-ffi"
-    runs-on: macos-14
+    runs-on: macos-15
     strategy:
       matrix:
         python:

.github/workflows/test-python.yaml

@@ -58,7 +58,7 @@ jobs:
 
   build-macos-arm64-wheels:
     name: "Build and test macOS arm64 wheels"
-    runs-on: macos-13
+    runs-on: macos-15
     strategy:
       matrix:
         python:
@@ -107,7 +107,7 @@ jobs:
 
   build-macos-x86_64-wheels:
     name: "Build and test macOS x86_64 wheels"
-    runs-on: macos-13
+    runs-on: macos-15-intel
     strategy:
       matrix:
         python: