[Test] Use Ubuntu 22.04 for test workflow

.github/workflows/ctest.yml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
 
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-13]
+        os: [ubuntu-22.04, windows-latest, macos-13]
         build_type: [Debug, Release]
         c_compiler: [gcc, clang, cl]
         bit7z_auto_format: [OFF, ON]
@@ -31,11 +31,11 @@ jobs:
             c_compiler: cl
             cpp_compiler: cl
             use_system_7zip: ON
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             c_compiler: gcc
             cpp_compiler: g++
             use_system_7zip: OFF
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             c_compiler: clang
             cpp_compiler: clang++
             use_system_7zip: OFF
@@ -50,18 +50,18 @@ jobs:
             c_compiler: clang
           - os: windows-latest
             bit7z_link_libcpp: ON
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             c_compiler: cl
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             c_compiler: gcc
             bit7z_link_libcpp: ON
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             bit7z_use_native_string: ON
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             bit7z_auto_prefix_long_paths: ON
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             bit7z_use_system_codepage: ON
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             bit7z_path_sanitization: ON
           - os: macos-13
             c_compiler: cl
@@ -120,7 +120,7 @@ jobs:
 
     - name: Build 7z.so for tests (Ubuntu)
       shell: bash
-      if: matrix.os == 'ubuntu-latest'
+      if: matrix.os == 'ubuntu-22.04'
       run: |
         git clone --depth 1 https://github.com/rikyoz/7-Zip ${{ github.workspace }}/../7-zip
         cd ${{ github.workspace }}/../7-zip/CPP/7zip/Bundles/Format7zF/