Postgres: Use GENERATED AS IDENTITY if version is greater than 10

[Arkatufus]

Changes

Change journal table ordering column to BigInt Generated Always As Identity

[Arkatufus]

Original performance benchmark:

Test	PostgreSql	Sql CSV	Sql TagTable	CSV vs Normal	Tag Table vs Normal
Persist	368	409	414	11.14%	12.50%
PersistAsync	4455	12662	12722	184.22%	185.57%
PersistAll	1909	13896	13824	627.92%	624.15%
PersistAllAsync	9557	14131	13338	47.86%	39.56%
PersistGroup10	1988	2054	2062	3.32%	3.72%
PersistGroup25	3595	3819	3830	6.23%	6.54%
PersistGroup50	4302	5819	5952	35.26%	38.35%
PersistGroup100	3698	9224	9520	149.43%	157.44%
PersistGroup200	4091	14166	14747	246.27%	260.47%
PersistGroup400	4423	13797	14716	211.94%	232.72%
Recovering	78549	50754	55299	-35.39%	-29.60%
RecoveringTwo	37348	41994	42118	12.44%	12.77%
RecoveringFour	52139	50651	50592	-2.85%	-2.97%
Recovering8	57855	56184	56232	-2.89%	-2.81%

[Arkatufus]

This PR performance benchmark:

Test	PostgreSql	Sql CSV	Sql TagTable	CSV vs Normal	Tag Table vs Normal
Persist	368	417	421	13.32%	14.40%
PersistAsync	4455	14194	14231	218.61%	219.44%
PersistAll	1909	14215	14178	644.63%	642.69%
PersistAllAsync	9557	12611	13883	31.96%	45.27%
PersistGroup10	1988	2052	2096	3.22%	5.43%
PersistGroup25	3595	4050	4189	12.66%	16.52%
PersistGroup50	4302	6205	6231	44.24%	44.84%
PersistGroup100	3698	10025	9976	171.09%	169.77%
PersistGroup200	4091	14676	14883	258.74%	263.80%
PersistGroup400	4423	14703	15071	232.42%	240.74%
Recovering	78549	55444	53014	-29.41%	-32.51%
RecoveringTwo	37348	42035	42189	12.55%	12.96%
RecoveringFour	52139	50578	50472	-2.99%	-3.20%
Recovering8	57855	56282	56327	-2.72%	-2.64%

[Aaronontheweb]

LGTM