Add inter-branch merge flow file (#10274)

.github/workflows/inter-branch-merge-flow.yml

@@ -0,0 +1,15 @@
+name: Inter-branch merge workflow
+on:
+  push:
+    branches:
+      - vs1**
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  Merge:
+    uses: dotnet/arcade/.github/workflows/inter-branch-merge-base.yml@main
+    with:
+      configuration_file_path: '.config/git-merge-flow-config.jsonc'

.vsts-dotnet-ci.yml

@@ -19,7 +19,7 @@ jobs:
         # 'DotNetFinalVersionKind' is expected to be added only during the initial setup of the release branch
         $initialCommitPattern = '-\s*<VersionPrefix>\d+\.\d+\.\d+<\/VersionPrefix>%.*\+\s*<VersionPrefix>\d+\.\d+\.\d+<\/VersionPrefix><DotNetFinalVersionKind>release<\/DotNetFinalVersionKind>'
         $isInitialCommit = $changedContent -match $initialCommitPattern
-        $pattern = '-\s*<VersionPrefix>\d+\.\d+\.(?<previous>\d+)<\/VersionPrefix>.* \+\s*<VersionPrefix>\d+\.\d+\.(?<current>\d+)<\/VersionPrefix>'
+        $pattern = '-\s*<VersionPrefix>\d+\.\d+\.(?<previous>\d+)<\/VersionPrefix>.*%\+\s*<VersionPrefix>\d+\.\d+\.(?<current>\d+)<\/VersionPrefix>'
         if (!($isInitialCommit) -and ($changedContent -match $pattern)) {
           try {
             $previousPatch = [Convert]::ToInt32($Matches.previous)

eng/Versions.props

@@ -2,7 +2,7 @@
 <!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the MIT license. See License.txt in the project root for full license information. -->
 <Project>
   <PropertyGroup>
-    <VersionPrefix>17.11.0</VersionPrefix><DotNetFinalVersionKind>release</DotNetFinalVersionKind>
+    <VersionPrefix>17.11.1</VersionPrefix><DotNetFinalVersionKind>release</DotNetFinalVersionKind>
     <PackageValidationBaselineVersion>17.10.4</PackageValidationBaselineVersion>
     <AssemblyVersion>15.1.0.0</AssemblyVersion>
     <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>