Upgrade to the latest dependencies

* Upgrade to Gradle `7.6`
* Apply Spring Integration code style
* Replace obsolete Travis CI with GitHub Actions
* Fix test XML configs for the latest Mockito

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,35 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: 'type: bug, status: waiting-for-triage'
+assignees: ''
+
+---
+
+**In what version(s) of Spring Integration AWS are you seeing this issue?**
+
+For example:
+
+2.5.3
+
+Between 2.5.0 and 3.0.0
+
+**Describe the bug**
+
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+
+Steps to reproduce the behavior.
+
+**Expected behavior**
+
+A clear and concise description of what you expected to happen.
+
+**Sample**
+
+A link to a GitHub repository with a [minimal, reproducible sample](https://stackoverflow.com/help/minimal-reproducible-example).
+
+Reports that include a sample will take priority over reports that do not.
+At times, we may require a sample, so it is good to try and include a sample up front.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Community Support
+    url: https://stackoverflow.com/questions/tagged/spring-integration
+    about: Please ask and answer questions on StackOverflow with the tag spring-integration

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,25 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: 'status: waiting-for-triage, type: enhancement'
+assignees: ''
+
+---
+
+**Expected Behavior**
+
+<!--- Tell us how it should work -->
+
+**Current Behavior**
+
+<!--- Explain the difference from current behavior -->
+
+**Context**
+
+<!--- 
+How has this issue affected you?
+What are you trying to accomplish?
+What other alternatives have you considered?
+Are you aware of any workarounds?
+-->

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,6 @@
+<!--
+Thanks for contributing to Spring Integration. 
+Please provide a brief description of your pull-request and reference any related issue numbers (prefix references with #) or StackOverflow questions.
+
+See the [Contributor Guidelines for more information](https://github.com/spring-projects/spring-integration/blob/main/CONTRIBUTING.adoc).
+-->

.github/release-files-spec.json

@@ -0,0 +1,34 @@
+{
+  "files": [
+    {
+      "aql": {
+        "items.find": {
+          "$and": [
+            {
+              "@build.name": "${buildname}",
+              "@build.number": "${buildnumber}",
+              "path": {
+                "$match": "org*"
+              }
+            },
+            {
+              "$or": [
+                {
+                  "name": {
+                    "$match": "*.pom"
+                  }
+                },
+                {
+                  "name": {
+                    "$match": "*.jar"
+                  }
+                }
+              ]
+            }
+          ]
+        }
+      },
+      "target": "nexus/"
+    }
+  ]
+}

.github/workflows/pr-build-workflow.yml

@@ -0,0 +1,33 @@
+name: Pull Request build
+
+on:
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - uses: actions/checkout@v3
+
+      - name: Set up JDK
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: 17
+
+      - name: Run Gradle
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: check
+
+      - name: Capture Test Results
+        if: failure()
+        uses: actions/upload-artifact@v3
+        with:
+          name: test-results
+          path: '*/build/reports/tests/**/*.*'
+          retention-days: 3