Add GHA workflow for Code Style (#1530)

* Add GHA workflow for Code Style

* Add line break

* Update .github/workflows/verify-code-style.yml

Co-authored-by: Tim Hess <[email protected]>

---------

Co-authored-by: Tim Hess <[email protected]>

Author: bart-vmware

.github/workflows/verify-code-style.yml

@@ -0,0 +1,62 @@
+name: Verify code style
+
+on:
+  push:
+    branches: [ 'main', 'release/*' ]
+  pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+env:
+  DOTNET_CLI_TELEMETRY_OPTOUT: 1
+  DOTNET_NOLOGO: true
+
+jobs:
+  verify-code-style:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: |
+          8.0.*
+          9.0.*
+
+    - name: Checkout repo
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Restore tools
+      run: dotnet tool restore --verbosity minimal
+
+    - name: Restore packages
+      run: dotnet restore src --verbosity minimal
+
+    - name: Set package version
+      run: nbgv cloud
+
+    - name: CleanupCode (on PR diff)
+      if: github.event_name == 'pull_request'
+      shell: pwsh
+      run: |
+        # Not using the environment variables for SHAs, because they may be outdated. This may happen on force-push after the build is queued, but before it starts.
+        # The below works because HEAD is detached (at the merge commit), so HEAD~1 is at the base branch. When a PR contains no commits, this job will not run.
+        $headCommitHash = git rev-parse HEAD
+        $baseCommitHash = git rev-parse HEAD~1
+
+        Write-Output "Running code cleanup on commit range $baseCommitHash..$headCommitHash in pull request."
+        dotnet regitlint -s src/Steeltoe.All.sln --print-command --skip-tool-check --max-runs=5 --jb --dotnetcoresdk=$(dotnet --version) --jb-profile="Steeltoe Full Cleanup" --jb --properties:Configuration=Release --jb --properties:RunAnalyzers=false --jb --properties:NuGetAudit=false --jb --verbosity=WARN -f commits -a $headCommitHash -b $baseCommitHash --fail-on-diff --print-diff
+
+    - name: CleanupCode (on branch)
+      if: github.event_name == 'push' || github.event_name == 'release'
+      shell: pwsh
+      run: |
+        Write-Output "Running code cleanup on all files."
+        dotnet regitlint -s src/Steeltoe.All.sln --print-command --skip-tool-check --jb --dotnetcoresdk=$(dotnet --version) --jb-profile="Steeltoe Full Cleanup" --jb --properties:Configuration=Release --jb --properties:RunAnalyzers=false --jb --properties:NuGetAudit=false --jb --verbosity=WARN --fail-on-diff --print-diff