[INFRA-8096] - [Automation] Unify CI Configuration (config.ini) & Workflows (library - 41f6d9d6)

.github/workflows/README.md

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+# Workflows
+
+### Maven Tests
+- Definition
+    - run `mvn clean install`
+- Trigger
+    - on pull request / push to branch
+
+### Maven Release
+- Definition
+    - run `mvn clean install`
+    - run `mvn release:prepare`
+    - run `mvn release:perform`
+    - push the release on gcs ua-ops-artifacts/airship-maven-artifacts
+- Trigger
+    - on merge to Main/Master
+    - workflow_dispatch (manual trigger)
+
+📖 For full documentation on how these workflows and configuration files work, please refer to the [urbanairship/java-env repository](https://github.com/urbanairship/java-env#github-actions-and-workflows).

.github/workflows/maven-release.yaml

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+name: Perform Maven Release
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - 'pom.xml'
+      - '**/src/**'
+      - '**/pom.xml'
+  workflow_dispatch:
+
+jobs:
+  maven-release:
+    name: Maven Release
+    runs-on: [ self-hosted, ubuntu ]
+
+    steps:
+      - id: release
+        uses: urbanairship/java-env/actions/airship-maven-release@master
+        with:
+          dry-run: false
+          java-build-sa-key: ${{ secrets.JAVA_BUILD_SA_KEY }}
+          gh-token: ${{ secrets.JAVA_BUILD_GH_TOKEN }}
+          additionalCommentPrefix: "[skip ci]"
+          additionalBuildArgs: "-Dgpg.passphrase=${{ secrets.MAVEN_GPG_PASSPHRASE }} -Dlocal.gpg.passphrase=${{ secrets.MAVEN_GPG_PASSPHRASE }}"

.github/workflows/maven-tests.yaml

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+name: Maven Tests
+
+run-name: Maven Tests on branch ${{ github.ref_name }}
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  pull_request:
+    branches:
+      - master
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: [self-hosted, ubuntu]
+    steps:
+      - name: Set up Airship Java Environment
+        uses: urbanairship/java-env/actions/setup-airship-java-env@master
+        with:
+          java-build-sa-key: ${{ secrets.JAVA_BUILD_SA_KEY }}
+          gh-token: ${{ secrets.JAVA_BUILD_GH_TOKEN }}
+
+      - name: Build with Maven
+        shell: bash
+        run: mvn clean install -e -T 1C ${{ env.MAVEN_EXTRA_FLAGS }}

config.ini

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+# ==========================================================
+#  PIPELINE CONFIGURATION (GitHub Actions / Local)
+# ==========================================================
+# This file is used by the CI/CD pipelines to set up the
+# Java and Maven build environment, as well as Docker builds.
+# ==========================================================
+
+[build]
+# Java build version (required, default is 8)
+java_build_version = 11
+
+# Maven version (required, default is 3.9.9)
+maven_version = 3.9.9
+
+# Additional flags for maven (optional, e.g., -ntp -B -DskipTests)
+maven_extra_flags =