Updating macOS CI definitions

Author: gershnik

.github/workflows/build.yml

@@ -77,9 +77,9 @@ jobs:
         EOF
 
   mac:
-    runs-on: macos-14
+    runs-on: macos-26
     env: 
-      DEVELOPER_DIR: /Applications/Xcode_16.2.0.app
+      DEVELOPER_DIR: /Applications/Xcode_26.2.app
 
     steps:
     - name: Checkout

.github/workflows/check.yml

@@ -116,7 +116,6 @@ jobs:
         - { os: macos-14, xcode: '15.4.0' }
         - { os: macos-15, xcode: '16.4.0' }
         - { os: macos-15-intel, xcode: '16.4.0' }
-        - { os: macos-26, xcode: '26.0' }
     env: 
       DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app
     steps:

.github/workflows/publish.yml

@@ -74,10 +74,10 @@ jobs:
         EOF
 
   mac:
-    runs-on: macos-14
+    runs-on: macos-26
     needs: prepare
     env: 
-      DEVELOPER_DIR: /Applications/Xcode_16.2.app
+      DEVELOPER_DIR: /Applications/Xcode_26.2.app
 
     steps:
     - name: Checkout