Add CI for Ruby 3.3

Requires an uri require in the spec since this raises on access to `URI` otherwise

Author: Earlopain

.github/workflows/7.17.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '3.0', '3.1', '3.2', 'jruby-9.3', 'jruby-9.4' ]
+        ruby: [ '3.0', '3.1', '3.2', '3.3', 'jruby-9.3', 'jruby-9.4' ]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2

elasticsearch/spec/integration/characters_escaping_spec.rb

@@ -14,6 +14,9 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
+
+require 'uri'
+
 ELASTICSEARCH_URL = ENV['TEST_ES_SERVER'] || "http://localhost:#{(ENV['PORT'] || 9200)}"
 raise URI::InvalidURIError unless ELASTICSEARCH_URL =~ /\A#{URI::DEFAULT_PARSER.make_regexp}\z/