Upgrade pganalyze/pg_query_go to v6.1.0

[fulghum]

v6.1.0 includes a fix for building on MacOS 15.4

[github-actions]

	Main	PR
covering_index_scan_postgres	352.17/s	346.70/s	-1.6%
index_join_postgres	155.27/s	153.20/s	-1.4%
index_join_scan_postgres	184.56/s	184.03/s	-0.3%
index_scan_postgres	12.64/s	12.65/s	0.0%
oltp_point_select	2641.42/s	2618.26/s	-0.9%
oltp_read_only	716.38/s	712.67/s	-0.6%
select_random_points	115.99/s	115.92/s	-0.1%
select_random_ranges	8.31/s	8.05/s	-3.2%
table_scan_postgres	12.06/s	12.06/s	0.0%
types_table_scan_postgres	5.59/s	5.57/s	-0.4%

[github-actions]

	Main	PR
Total	42090	42090
Successful	15578	15578
Failures	26512	26512
Partial Successes1	5208	5208

	Main	PR
Successful	37.0112%	37.0112%
Failures	62.9888%	62.9888%

Footnotes

1. These are tests that we're marking as Successful, however they do not match the expected output in some way. This is due to small differences, such as different wording on the error messages, or the column names being incorrect while the data itself is correct. ↩