Adjusted conditionals to pinned runner versions

Author: s1hofmann

.github/workflows/ci.yaml

@@ -21,7 +21,7 @@ jobs:
         with:
           node-version: ${{matrix.node}}
       - name: Configure Linux environment
-        if: ${{matrix.os == 'ubuntu-latest'}}
+        if: ${{matrix.os == 'ubuntu-20.04'}}
         run: sudo apt-get install -y cmake libx11-dev zlib1g-dev libpng-dev libxtst-dev build-essential
       - name: Install
         run: npm run patch && npm i

.github/workflows/snapshot_release.yaml

@@ -18,7 +18,7 @@ jobs:
         with:
           node-version: ${{matrix.node}}
       - name: Configure Linux environment
-        if: ${{matrix.os == 'ubuntu-latest'}}
+        if: ${{matrix.os == 'ubuntu-20.04'}}
         run: sudo apt-get install -y cmake libx11-dev zlib1g-dev libpng-dev libxtst-dev build-essential
       - name: Install
         run: npm run patch && npm i
@@ -50,18 +50,18 @@ jobs:
         with:
           node-version: 14
       - name: Configure Linux environment
-        if: ${{matrix.os == 'ubuntu-latest'}}
+        if: ${{matrix.os == 'ubuntu-20.04'}}
         run: sudo apt-get install -y cmake libx11-dev zlib1g-dev libpng-dev libxtst-dev build-essential
       - name: Install
         run: npm run patch && npm i
       - name: Publish snapshot release
-        if: ${{matrix.os == 'ubuntu-latest' || matrix.os == 'macos-latest'}}
+        if: ${{matrix.os == 'ubuntu-20.04' || matrix.os == 'macos-11'}}
         run: ./.build/pre-release.sh
         shell: bash
         env:
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
       - name: Publish Windows snapshot release
-        if: ${{matrix.os == 'windows-latest'}}
+        if: ${{matrix.os == 'windows-2019'}}
         run: ./.build/pre-release.ps1
         shell: powershell
         env:
@@ -70,7 +70,7 @@ jobs:
   dispatch:
     needs:
       - deploy
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Dispatch snapshot release
         uses: peter-evans/repository-dispatch@v1

.github/workflows/tagged_release.yaml

@@ -18,7 +18,7 @@ jobs:
         with:
           node-version: ${{matrix.node}}
       - name: Configure Linux environment
-        if: ${{matrix.os == 'ubuntu-latest'}}
+        if: ${{matrix.os == 'ubuntu-20.04'}}
         run: sudo apt-get install -y cmake libx11-dev zlib1g-dev libpng-dev libxtst-dev build-essential
       - name: Install
         run: npm run patch && npm i
@@ -50,7 +50,7 @@ jobs:
         with:
           node-version: 14
       - name: Configure Linux environment
-        if: ${{matrix.os == 'ubuntu-latest'}}
+        if: ${{matrix.os == 'ubuntu-20.04'}}
         run: sudo apt-get install -y cmake libx11-dev zlib1g-dev libpng-dev libxtst-dev build-essential
       - name: Install
         run: npm run patch && npm i