databases/pg_incremental: Upgrade from 1.0.1 to 1.3.0

  Compiled Changelog:

    * Fixes a bug that prevented insert..select pipelines
    * Fixes a bug that caused file list pipelines to repeat first file
    * Add batched mode for file list pipeline
    * Add incremental.default_file_list_function setting
    * Fixes a bug that prevented file list pipelines from being refreshed
    * Fixes bug that could cause batched file list pipelines to crash
    * Add a max_batch_size argument to file list pipelines
    * Improve performance of batched file list pipelines
    * Adjust the default schedule of file list pipelines to every 15 minutes
    * Adds an incremental.skip_file function to use for erroneuous files in file pipelines
    * Removes the hard dependency on pg_cron at CREATE EXTENSION time

  Taken from:

    * https://github.com/CrunchyData/pg_incremental/releases/tag/v1.1.0
    * https://github.com/CrunchyData/pg_incremental/releases/tag/v1.1.1
    * https://github.com/CrunchyData/pg_incremental/releases/tag/v1.2.0
    * https://github.com/CrunchyData/pg_incremental/releases/tag/v1.3.0

Sponsored by:	OTTRIA GmbH