fix github action; remove macos build; style change

Author: luk036

Diff for: .github/workflows/documentation.yaml

@@ -11,7 +11,7 @@ env:
 jobs:
   build:
     name: Build and publish documentation
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
 
@@ -20,9 +20,17 @@ jobs:
           path: "**/cpm_modules"
           key: ${{ github.workflow }}-cpm-modules-${{ hashFiles('**/CMakeLists.txt', '**/*.cmake') }}
 
+      - name: Before Install
+        run: |
+          sudo apt-get install g++-10
+          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 90 
+
+      - name: Install dependencies
+        run: sudo apt-get install libboost-dev
+
       - name: Install dependencies
         run: |
-          brew install doxygen boost
+          sudo apt-get install doxygen
           pip3 install jinja2 Pygments
 
       - name: Build

Diff for: .github/workflows/macos.yml renamed to .github/workflows/macos.old

@@ -15,7 +15,7 @@ env:
 
 jobs:
   build:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
@@ -25,10 +25,17 @@ jobs:
           path: "**/cpm_modules"
           key: ${{ github.workflow }}-cpm-modules-${{ hashFiles('**/CMakeLists.txt', '**/*.cmake') }}
 
+      - name: Before Install
+        run: |
+          sudo apt-get install g++-10
+          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 90 
+
+      - name: Install dependencies
+        run: sudo apt-get install libboost-dev
+
       - name: Install format dependencies
         run: |
-          brew install boost
-          brew install clang-format
+          sudo apt-get install clang-format
           pip3 install cmake_format==0.6.11 pyyaml
 
       - name: configure

Diff for: .github/workflows/style.yml

@@ -39,7 +39,7 @@ jobs:
           conda list
           conda config --show-sources
           conda config --show
-          conda install -c conda-forge cmake boost
+          conda install -c conda-forge cmake boost=1.74
 
       - name: configure
         run: cmake -Stest -Bbuild