update dotnet sdk version

Author: itn3000

.github/workflows/pull_request.yaml

@@ -8,15 +8,15 @@ jobs:
       matrix:
         os:
           - windows-2022
-          - ubuntu-20.04
+          - ubuntu-22.04
           - macos-11
         include:
           - os: windows-2022
             osimage: windows-2022
             exename: cs2mmd.exe
             runtime: win-x64
-          - os: ubuntu-20.04
-            osimage: ubuntu-20.04
+          - os: ubuntu-22.04
+            osimage: ubuntu-22.04
             exename: cs2mmd
             runtime: linux-x64
           - os: macos-11
@@ -27,9 +27,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-dotnet@v2
-        name: "setup dotnet 7.0"
+        name: "setup dotnet 9.0"
         with:
-          dotnet-version: "7.0.x"
+          dotnet-version: "9.0.x"
       - uses: actions/setup-dotnet@v2
         name: "setup dotnet 8.0"
         with:

.github/workflows/push.yaml

@@ -11,16 +11,16 @@ jobs:
       matrix:
         os:
           - windows-2022
-          - ubuntu-20.04
+          - ubuntu-22.04
           - macos-11
           - macos-12-arm
         include:
           - os: windows-2022
             osimage: windows-2022
             exename: cs2mmd.exe
             runtime: win-x64
-          - os: ubuntu-20.04
-            osimage: ubuntu-20.04
+          - os: ubuntu-22.04
+            osimage: ubuntu-22.04
             exename: cs2mmd
             runtime: linux-x64
           - os: macos-11
@@ -35,9 +35,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-dotnet@v2
-        name: "setup dotnet 7.0"
+        name: "setup dotnet 9.0"
         with:
-          dotnet-version: "7.0.x"
+          dotnet-version: "9.0.x"
       - uses: actions/setup-dotnet@v2
         name: "setup dotnet 8.0"
         with:
@@ -77,7 +77,7 @@ jobs:
           path: "artifacts/archive/Release/${{ matrix.runtime }}/*.zip"
         if: ${{ matrix.os == 'windows-2022' }}
   get_artifact_list:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     needs: default
     steps:
       - uses: actions/download-artifact@v3

.github/workflows/release.yaml

@@ -8,16 +8,16 @@ jobs:
       matrix:
         os:
           - windows-2022
-          - ubuntu-20.04
+          - ubuntu-22.04
           - macos-11
           - macos-12-arm
         include:
           - os: windows-2022
             osimage: windows-2022
             exename: cs2mmd.exe
             runtime: win-x64
-          - os: ubuntu-20.04
-            osimage: ubuntu-20.04
+          - os: ubuntu-22.04
+            osimage: ubuntu-22.04
             exename: cs2mmd
             runtime: linux-x64
           - os: macos-11
@@ -32,9 +32,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-dotnet@v2
-        name: "setup dotnet 7.0"
+        name: "setup dotnet 9.0"
         with:
-          dotnet-version: "7.0.x"
+          dotnet-version: "9.0.x"
       - uses: actions/setup-dotnet@v2
         name: "setup dotnet 8.0"
         with:
@@ -73,12 +73,12 @@ jobs:
         if: ${{ matrix.os == 'windows-2022' }}
   release:
     needs: build
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/setup-dotnet@v2
-        name: "setup dotnet 7.0.x"
+        name: "setup dotnet 9.0.x"
         with:
-          dotnet-version: "7.0.x"
+          dotnet-version: "9.0.x"
       - uses: actions/setup-dotnet@v2
         name: "setup dotnet 8.0.x"
         with: