Fix Liquibase configuration (diff when JPA entities not modified)

[Tristan-WorkGH]

Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Does this PR already have an issue describing the problem?

No.

What kind of change does this PR introduce?

Update Liquibase configuration.

What is the current behavior?

Liquibase initialize the temp database in "normal" mode, which cause compatibility with Hibernate in PostgreSQL dialect (mainly with column types).

What is the new behavior (if this is a feature change)?
H2 databse is now in PostgreSQL compatibility mode.
Note: DATABASE_TO_LOWER=TRUE wasn't add as recommended in H2 documentation because it create a full changelog because of names going from uppercase to lowercase.

Does this PR introduce a breaking change or deprecate an API? No.

• The Breaking Change or Deprecated label has been added
• The migration guide has been updated in the github wiki (What changes might users need to make in their application due to this PR?)

Other information:

• have try DATABASE_TO_LOWER=TRUE;CASE_INSENSITIVE_IDENTIFIERS=TRUE; and ;DATABASE_TO_UPPER=FALSE without success
• just for trace if need in future: have found a way with a init script to add types alias without touching to existing changelog (like types OID, JSONB ...)
  • https://stackoverflow.com/a/74220084
  • h2database/h2database/issues/3526
  • http://www.h2database.com/html/features.html#execute_sql_on_connection
  • https://www.h2database.com/html/commands.html#runscript
  • https://www.h2database.com/html/commands.html#create_domain

user-content-spring-boot