feat(elasticsearch): re-introduce v7 support

Author: Frank Verschuren

.github/workflows/ci.yml

@@ -774,6 +774,59 @@ jobs:
       - name: Run Behat tests
         run: vendor/bin/behat --out=std --format=progress --profile=elasticsearch --no-interaction
 
+  elasticsearch-v7:
+    name: Behat (PHP ${{ matrix.php }}) (Elasticsearch v7)
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    strategy:
+      matrix:
+        php:
+          - '8.3'
+      fail-fast: false
+    env:
+      APP_ENV: elasticsearch
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Configure sysctl limits
+        run: |
+          sudo swapoff -a
+          sudo sysctl -w vm.swappiness=1
+          sudo sysctl -w fs.file-max=262144
+          sudo sysctl -w vm.max_map_count=262144
+      - name: Runs Elasticsearch
+        uses: elastic/elastic-github-actions/elasticsearch@master
+        with:
+          stack-version: '8.4.0'
+          security-enabled: false
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          tools: pecl, composer
+          extensions: intl, bcmath, curl, openssl, mbstring, mongodb
+          coverage: none
+          ini-values: memory_limit=-1
+      - name: Get composer cache directory
+        id: composercache
+        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+      - name: Cache dependencies
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.composercache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+          restore-keys: ${{ runner.os }}-composer-
+      - name: Update project dependencies
+        run: |
+          composer global require soyuka/pmu
+          composer global config allow-plugins.soyuka/pmu true --no-interaction
+          composer global link .
+          composer update elasticsearch/elasticsearch --prefer-lowest
+      - name: Clear test app cache
+        run: tests/Fixtures/app/console cache:clear --ansi
+      - name: Run Behat tests
+        run: vendor/bin/behat --out=std --format=progress --profile=elasticsearch --no-interaction
+
   phpunit-no-deprecations:
     name: PHPUnit (PHP ${{ matrix.php }}) (no deprecations)
     runs-on: ubuntu-latest