Configure Backport Bot for GitHub workflows

This commit configures the Backport Bot for the repository workflows.
See https://github.com/spring-io/backport-bot

This will create backport issues whenever issues created on the main
line are tagged with the relevant issue label.

Author: bclozel

.github/workflows/backport-bot.yml

@@ -0,0 +1,33 @@
+name: Backport Bot
+
+on:
+  issues:
+    types: [labeled]
+  pull_request:
+    types: [labeled]
+  push:
+    branches:
+      - '*.x'
+permissions:
+  contents: read
+jobs:
+  build:
+    permissions:
+      contents: read
+      issues: write
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+      - name: Download BackportBot
+        run: wget https://github.com/spring-io/backport-bot/releases/download/latest/backport-bot-0.0.1-SNAPSHOT.jar
+      - name: Backport
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_EVENT: ${{ toJSON(github.event) }}
+        run: java -jar backport-bot-0.0.1-SNAPSHOT.jar --github.accessToken="$GITHUB_TOKEN" --github.event_name "$GITHUB_EVENT_NAME" --github.event "$GITHUB_EVENT"
+

spring-graphql-docs/src/docs/asciidoc/includes/observability.adoc

@@ -0,0 +1,6 @@
+[[observability]]
+= Observability
+
+https://micrometer.io/docs/observation
+{spring-framework-ref-docs}/integration.html#integration.observability
+{spring-boot-ref-docs}/actuator.html#actuator.metrics

spring-graphql-docs/src/docs/asciidoc/index.adoc

@@ -1667,8 +1667,7 @@ The 1.0.x branch of this repository contains samples for
 
 include::includes/client.adoc[leveloffset=+1]
 
-
-
+include::includes/observability.adoc[leveloffset=+1]
 
 include::includes/testing.adoc[leveloffset=+1]