chore: update GitHub Actions to use Ubuntu 22.04 with dotnet v6 (#402)

* chore: update GitHub Actions to use Ubuntu 22.04 with dotnet v6

* setup .net7 for benchmark

Author: Meir017

.github/workflows/benchmark.yml

@@ -8,14 +8,18 @@ permissions:
 jobs:
   benchmark:
     name: Performance regression check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     if: github.repository == 'fluentassertions/fluentassertions.analyzers'
     steps:
       - uses: actions/checkout@v4
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: '6.x'
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '7.x'
       - name: Run benchmark
         run: cd src/FluentAssertions.Analyzers.BenchmarkTests && dotnet run -c Release --exporters json --filter '*'
 

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-22.04, windows-2022, macos-14]
         config: [Debug, Release]
     runs-on: ${{ matrix.os }}
     env:

.github/workflows/integration.yml

@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-22.04, windows-2022, macos-14]
     runs-on: ${{ matrix.os }}
     env:
       NUGET_CERT_REVOCATION_MODE: offline

.github/workflows/release.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   publish:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout code
         uses: actions/checkout@v4