go/go.mod: Bump fslock, adopt fallible fslock.New() and the requirement to Close() the *Lock instance.

[reltuk]

No description provided.

[coffeegoddd]

@reltuk DOLT

read_tests	from_latency	to_latency	percent_change
covering_index_scan	2.3	2.3	0.0
groupby_scan	132.49	130.13	-1.78
index_join	1.89	1.93	2.12
index_join_scan	1.34	1.34	0.0
index_scan	211.6	215.44	1.81
oltp_point_select	0.26	0.27	3.85
oltp_read_only	5.09	5.18	1.77
select_random_points	0.55	0.55	0.0
select_random_ranges	0.65	0.7	7.69
table_scan	200.47	211.6	5.55
types_table_scan	450.77	475.79	5.55

write_tests	from_latency	to_latency	percent_change
oltp_delete_insert	6.21	6.21	0.0
oltp_insert	3.13	3.13	0.0
oltp_read_write	11.45	11.45	0.0
oltp_update_index	3.3	3.3	0.0
oltp_update_non_index	3.02	3.02	0.0
oltp_write_only	6.32	6.32	0.0
types_delete_insert	6.91	6.79	-1.74

[coffeegoddd]

@reltuk DOLT

test_name	from_latency_p95	to_latency_p95	percent_change
tpcc-scale-factor-1	45.79	45.79	0.0

test_name	from_server_name	from_server_version	from_tps	to_server_name	to_server_version	to_tps	percent_change
tpcc-scale-factor-1	dolt	e75d21b	52.86	dolt	51598f9	52.97	0.21

[coffeegoddd]

@reltuk DOLT

comparing_percentages
100.000000 to 100.000000

version	result	total
e1a165d	ok	5937471

version	total_tests
e1a165d	5937471

correctness_percentage
100.0

[coffeegoddd]

@reltuk DOLT

comparing_percentages
100.000000 to 100.000000

version	result	total
4ebab9a	ok	5937471

version	total_tests
4ebab9a	5937471

correctness_percentage
100.0

[coffeegoddd]

@reltuk DOLT

comparing_percentages
100.000000 to 100.000000

version	result	total
51598f9	ok	5937471

version	total_tests
51598f9	5937471

correctness_percentage
100.0