Update workflow runners

Author: sjanzou

.github/workflows/ci.yml

@@ -126,14 +126,14 @@ jobs:
         echo "GTEST=$GTEST" >> $GITHUB_ENV
         SSCDIR=$GITHUB_WORKSPACE/ssc
         echo "SSCDIR=$SSCDIR" >> $GITHUB_ENV
-        ORTOOLSDIR=$GITHUB_WORKSPACE/or-tools
+        ORTOOLSDIR=$GITHUB_WORKSPACE/or-tools_arm64_macOS-15.5_cpp_v$ORTOOLS_VER.$ORTOOLS_RELEASE
         echo "ORTOOLSDIR=$ORTOOLSDIR" >> $GITHUB_ENV
     
     - name: Download OR-Tools
       if: steps.cached-ortools-restore.outputs.cache-hit != 'true'
       shell: bash
       run: |
-        curl -L https://github.com/google/or-tools/releases/download/v$ORTOOLS_VER/or-tools-$ORTOOLS_VER.tar.gz -o or-tools-$ORTOOLS_VER.tar.gz
+        curl -L https://github.com/google/or-tools/releases/download/v$ORTOOLS_VER/or-tools_arm64_macOS-15.5_cpp_v$ORTOOLS_VER.$ORTOOLS_RELEASE.tar.gz -o or-tools-$ORTOOLS_VER.tar.gz
         tar xvzf or-tools-$ORTOOLS_VER.tar.gz
  
     - name: Get cached GTest
@@ -156,7 +156,7 @@ jobs:
           export 
           mkdir ${GTEST}/build
           cd ${GTEST}/build
-          cmake -DCMAKE_CXX_FLAGS=-std=c++11 ..
+          cmake -DCMAKE_CXX_FLAGS=-std=c++17 ..
           make          
     
     - name: Checkout SSC
@@ -244,16 +244,16 @@ jobs:
         echo "GTEST=$GTEST" >> $GITHUB_ENV
         SSCDIR=$GITHUB_WORKSPACE/ssc
         echo "SSCDIR=$SSCDIR" >> $GITHUB_ENV
-        ORTOOLSDIR=$GITHUB_WORKSPACE/or-tools-$ORTOOLS_VER/install_release
+        ORTOOLSDIR=$GITHUB_WORKSPACE/or-tools_x64_VisualStudio2022_cpp_v$ORTOOLS_VER.$ORTOOLS_RELEASE
         echo "ORTOOLSDIR=$ORTOOLSDIR" >> $GITHUB_ENV
 
 
     - name: Download OR-Tools
       if: steps.cached-ortools-restore.outputs.cache-hit != 'true'
       shell: bash
       run: |
-        curl -L https://github.com/google/or-tools/releases/download/v$ORTOOLS_VER/or-tools-$ORTOOLS_VER.tar.gz -o or-tools-$ORTOOLS_VER.tar.gz
-        tar xvzf or-tools-$ORTOOLS_VER.tar.gz
+        curl -L https://github.com/google/or-tools/releases/download/v$ORTOOLS_VER/or-tools_x64_VisualStudio2022_cpp_v$ORTOOLS_VER.$ORTOOLS_RELEASE.zip -o or-tools-$ORTOOLS_VER.zip
+        tar xvzf or-tools-$ORTOOLS_VER.zip
 
     - name: Get cached GTest
       uses: actions/cache@v4