fix: support information_schema.sequences

[olavloite]

Adds support for information_schema.sequences using a common table expression. The CTE always returns zero rows and is there purely for compatibility reasons.

Towards #705

[codecov]

Codecov Report

Merging #708 (e1cf0cf) into postgresql-dialect (37ce315) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head e1cf0cf differs from pull request most recent head 99c9a7b. Consider uploading reports for the commit 99c9a7b to get more accurate results

@@                  Coverage Diff                  @@
##             postgresql-dialect     #708   +/-   ##
=====================================================
  Coverage                 89.35%   89.35%           
- Complexity                 2302     2305    +3     
=====================================================
  Files                       126      126           
  Lines                      7588     7591    +3     
  Branches                   1089     1090    +1     
=====================================================
+ Hits                       6780     6783    +3     
  Misses                      560      560           
  Partials                    248      248           

Flag	Coverage Δ
all_tests	89.35% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
.../cloud/spanner/pgadapter/statements/PgCatalog.java	96.69% <100.00%> (+0.08%)	⬆️
...ud/spanner/pgadapter/utils/ClientAutoDetector.java	91.91% <100.00%> (ø)

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more