Update the CI script for Linux

Update the CI script

Author: aalex

.github/workflows/qt-linux.yml

@@ -15,9 +15,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Install Qt
-      uses: jurplel/install-qt-action@v2
+      uses: jurplel/install-qt-action@v4
       with:
-        version: '5.12.8'
+        version: '5.12.12'
         host: 'linux'
         target: 'desktop'
         modules: 'gui core serialport network opengl xml'

.github/workflows/qt-macos.yml

@@ -15,8 +15,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Install Qt
-      uses: jurplel/install-qt-action@v2
+      uses: jurplel/install-qt-action@v4
       with:
+        version: '5.12.12'
         target: 'desktop'
         modules: 'gui core serialport network opengl xml'
     - name: qmake

.github/workflows/qt-windows.yml

@@ -13,11 +13,11 @@ jobs:
     runs-on: windows-2019
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Install Qt
       uses: jurplel/install-qt-action@v2
       with:
-        version: '5.12.8'
+        version: '5.12.12'
         host: 'windows'
         target: 'desktop'
         arch: 'win64_msvc2017_64'