ci: updated runners, actions and qt versions

.github/workflows/doxygen.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Clone repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
 
       - name: Install doxygen and pre-requsites packages
         run: |
@@ -26,7 +26,7 @@ jobs:
           find build/html/ -name *.html -type f -exec sed -i 's+https://github.com/jothepro/doxygen-awesome-css+https://github.com/itay-grudev/SingleApplication+g' {} \;
 
       - name: Deploy to GitHub pages
-        uses: crazy-max/ghaction-github-pages@v3
+        uses: crazy-max/ghaction-github-pages@v5
         with:
           target_branch: gh-pages
           build_dir: build/html

.github/workflows/main.yml

@@ -32,17 +32,14 @@ jobs:
     strategy:
       matrix:
         qt_version:
-          - 5.15.0
-          - 6.2.4
-          - 6.5.0
+          - 5.15
+          - 6.8
         platform:
           - ubuntu-latest
-          - windows-latest
+          - windows-2025-vs2026
           - macos-15-intel
         include:
-          - qt_version: 6.2.4
-            additional_arguments: -D QT_DEFAULT_MAJOR_VERSION=6
-          - qt_version: 6.5.0
+          - qt_version: 6.8
             additional_arguments: -D QT_DEFAULT_MAJOR_VERSION=6
           - platform: ubuntu-latest
             make: make
@@ -52,7 +49,7 @@ jobs:
             make: make
             CXXFLAGS: -Wall -Wextra -pedantic -Werror
             MAKEFLAGS: -j3
-          - platform: windows-latest
+          - platform: windows-2025-vs2026
             make: nmake
             CXXFLAGS: /W4 /WX /MP
 
@@ -63,18 +60,19 @@ jobs:
 
     steps:
       - name: Clone repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
 
       - name: Install Qt
-        uses: jurplel/install-qt-action@v3
+        uses: jurplel/install-qt-action@v4
         with:
           version: ${{ matrix.qt_version }}
+          cache: true
 
       - name: Setup MSVC environment for QMake
         uses: ilammy/msvc-dev-cmd@v1
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22