Add missing lint install command for elasticsearch

Author: ocelotl

tox.ini

@@ -716,6 +716,7 @@ commands_pre =
   elasticsearch: pip install opentelemetry-test-utils@{env:CORE_REPO}\#egg=opentelemetry-test-utils&subdirectory=tests/opentelemetry-test-utils
   elasticsearch-0: pip install -r {toxinidir}/instrumentation/opentelemetry-instrumentation-elasticsearch/test-requirements-0.txt
   elasticsearch-1: pip install -r {toxinidir}/instrumentation/opentelemetry-instrumentation-elasticsearch/test-requirements-1.txt
+  lint-instrumentation-elasticsearch: pip install -r {toxinidir}/instrumentation/opentelemetry-instrumentation-elasticsearch/test-requirements-1.txt
 
   asyncio: pip install opentelemetry-api@{env:CORE_REPO}\#egg=opentelemetry-api&subdirectory=opentelemetry-api
   asyncio: pip install opentelemetry-semantic-conventions@{env:CORE_REPO}\#egg=opentelemetry-semantic-conventions&subdirectory=opentelemetry-semantic-conventions