Update change log (ubccr#1613)

Second attempt to fix db timeouts.

This time I tested by running the docker build with a database
timeout of 10 seconds.
```
echo "wait_timeout = 10" >> /etc/my.cnf.d/server.cnf
```

On my workstation this timeout is short enough that the upgrade
fails on the alter shredded job slurm action
```
2022-02-14 21:34:23 [warning] Stopping ETL due to exception in xdmod.migration-9_5_0-10_0_0.alter-shredded_job_slurm (ETL\Maintenance\ExecuteSql)
xdmod.migration-9_5_0-10_0_0.alter-shredded_job_slurm (ETL\Maintenance\ExecuteSql): Error executing SQL Exception: 'SQLSTATE[HY000]: General error: 2006 MySQL server has gone away'
```

With this patch in place (and the timeout still set to 10 seconds), the upgrade
completes.

Note that a 10 second timeout in the docker then causes the cloud
ingest steps to fail.

Fix schema version history (ubccr#1608)

* Fixing datetime columns default values

This commit adds a default value of `CURRENT_TIMESTAMP` to
schema_version_history's `action_datetime` column and removes the
associated value from `./etl_data.d/**/schema-version-history.json`
files.

This was found to be a problem in CentOS8 builds.

* Adding sql to cover the upgrade path.

* Removing schema_version_history table

- Removed all references to schema_version_history as it is not currently being
used.
- Added a sql script that removes all schema_version_history tables if they are
present.

* Missed one

* Removing all db related contents

Since the db table associated with this class / functions / variables is no
longer present, they are no longer necessary.

* Replacing mod_logger data sql

* Woops needed that

* Apply suggestions from code review

Reverting unintended spacing changes.

Co-authored-by: Jeffrey T. Palmer <jeffrey.t.palmer@gmail.com>

Co-authored-by: Ryan Rathsam <build@shippable.com>
Co-authored-by: Jeffrey T. Palmer <jeffrey.t.palmer@gmail.com>

Merge pull request ubccr#1601 from jpwhite4/alternate_gb

Add ability to specify an alternate group by.

Merge pull request ubccr#1540 from jpwhite4/timeseries

Add exportJson function back. The 'whitespace changes' error in the CI build is a false positive.

Merge pull request ubccr#1521 from jpwhite4/changelog95

Initial version of the changelog for 9.5 release

Merge pull request ubccr#1529 from eiffel777/fix-pdf-export-report-sc…

…heduler

Use strtolower to check format for a PDF report

Merge pull request ubccr#1528 from eiffel777/95-upgrade-host-key-coll…

…ision

Update host dimension migration sql to avoid primary key duplicate during migration

Merge pull request ubccr#1527 from eiffel777/update-raw-stats-correct…

…-time-field

Updates for cloud Data Export and migration pipelines.

Merge pull request ubccr#1379 from ryanrath/make_save_user_great_again

Ensuring that Users have a username