Update ci.yml

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
  - uses: actions/checkout@master
 
  - name: Set up environment variables [Windows]
- if: matrix.os == 'windows-latest'
+ if: matrix.os == 'windows-2019'
  shell: bash
  run: |
  # the following fix the problem described in https://github.saobby.my.eu.orgmunity/t5/GitHub-Actions/Windows-tests-worked-yesterday-broken-today/m-p/43839#M5530
@@ -59,7 +59,7 @@ jobs:
 
 
  - name: Dependencies [Windows]
- if: matrix.os == 'windows-latest'
+ if: matrix.os == 'windows-2019'
  shell: bash
  run: |
  choco install -y curl wget unzip
@@ -98,7 +98,7 @@ jobs:
  cmake --build . --config ${{ matrix.build_type }} --target install
 
  - name: Source-based Dependencies [Windows]
- if: matrix.os == 'windows-latest'
+ if: matrix.os == 'windows-2019'
  shell: bash
  run: |
  # YCM
@@ -146,7 +146,7 @@ jobs:
 
  - name: Configure [Windows]
  # Use bash also on Windows (otherwise cd, mkdir, ... do not work)
- if: matrix.os == 'windows-latest'
+ if: matrix.os == 'windows-2019'
  shell: bash
  run: |
  mkdir -p build