update CI

Author: isuruf

.github/workflows/ci.yml

@@ -111,24 +111,24 @@ jobs:
             PYTHON_VERSION: '3.8'
             WITH_SCIPY: yes
             WITH_LLVM: 5.0
-            OS: macos-latest
+            OS: macos-13
             CC: clang
 
           - BUILD_TYPE: Release
             PYTHON_VERSION: '3.9'
             WITH_NUMPY: no
-            OS: macos-latest
+            OS: macos-13
             CC: clang
 
           - BUILD_TYPE: Debug
             PYTHON_VERSION: '3.8'
             WITH_NUMPY: no
-            OS: macos-latest
+            OS: macos-13
             CC: gcc
 
           - BUILD_TYPE: Release
             PYTHON_VERSION: '3.8'
-            OS: macos-latest
+            OS: macos-13
             CC: gcc
 
           - BUILD_TYPE: Release

appveyor.yml

@@ -63,7 +63,7 @@ install:
 - git clone https://github.com/sympy/symengine symengine-cpp
 
 - if [%COMPILER%]==[MSVC15] call %CONDA_INSTALL_LOCN%\Scripts\activate.bat
-- if [%COMPILER%]==[MSVC15] conda install --yes --quiet conda python=3.6
+- if [%COMPILER%]==[MSVC15] conda install --yes --quiet conda
 - if [%COMPILER%]==[MSVC15] conda config --add channels conda-forge
 - if [%COMPILER%]==[MSVC15] if [%BUILD_TYPE%]==[Debug] conda config --add channels symengine/label/debug
 - if [%COMPILER%]==[MSVC15] conda install --yes mpir=3.0.0 vc=14