fix(docker): missing python-is-python3

.github/workflows/main.yml

@@ -131,7 +131,7 @@ jobs:
             packages: ""
           - name: "-full"
             plugins: io.kestra.storage:storage-azure:LATEST io.kestra.storage:storage-gcs:LATEST io.kestra.storage:storage-minio:LATEST io.kestra.plugin:plugin-aws:LATEST io.kestra.plugin:plugin-azure:LATEST io.kestra.plugin:plugin-cassandra:LATEST io.kestra.plugin:plugin-compress:LATEST io.kestra.plugin:plugin-crypto:LATEST io.kestra.plugin:plugin-dbt:LATEST io.kestra.plugin:plugin-debezium-mysql:LATEST io.kestra.plugin:plugin-debezium-postgres:LATEST io.kestra.plugin:plugin-debezium-sqlserver:LATEST io.kestra.plugin:plugin-elasticsearch:LATEST io.kestra.plugin:plugin-fs:LATEST io.kestra.plugin:plugin-gcp:LATEST io.kestra.plugin:plugin-googleworkspace:LATEST io.kestra.plugin:plugin-jdbc-clickhouse:LATEST io.kestra.plugin:plugin-jdbc-mysql:LATEST io.kestra.plugin:plugin-jdbc-oracle:LATEST io.kestra.plugin:plugin-jdbc-postgres:LATEST io.kestra.plugin:plugin-jdbc-redshift:LATEST io.kestra.plugin:plugin-jdbc-snowflake:LATEST io.kestra.plugin:plugin-jdbc-sqlserver:LATEST io.kestra.plugin:plugin-jdbc-vertica:LATEST io.kestra.plugin:plugin-jdbc-vectorwise:LATEST io.kestra.plugin:plugin-kafka:LATEST io.kestra.plugin:plugin-kubernetes:LATEST io.kestra.plugin:plugin-mongodb:LATEST io.kestra.plugin:plugin-mqtt:LATEST io.kestra.plugin:plugin-notifications:LATEST io.kestra.plugin:plugin-script-groovy:LATEST io.kestra.plugin:plugin-script-jython:LATEST io.kestra.plugin:plugin-script-nashorn:LATEST io.kestra.plugin:plugin-serdes:LATEST io.kestra.plugin:plugin-singer:LATEST io.kestra.plugin:plugin-spark:LATEST
-            packages: python3-pip python3-wheel python3-setuptools python3-virtualenv nodejs curl wait-for-it zip unzip
+            packages: python3-pip python3-wheel python3-setuptools python3-virtualenv python-is-python3 nodejs curl wait-for-it zip unzip
     steps:
       - uses: actions/checkout@v2