fix(deps): update dependency org.mariadb:r2dbc-mariadb to v1.2.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.mariadb:r2dbc-mariadb	1.1.4 -> 1.2.1

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Release Notes

mariadb-corporation/mariadb-connector-r2dbc (org.mariadb:r2dbc-mariadb)

v1.2.1

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Notable Changes:

• R2DBC-96 Missing UUID support

Bugs Fixed:

• R2DBC-97 NPE if No HaMode provided
• R2DBC-98 correcting possible bug connecting if project contain a project.properties file
• R2DBC-99 No encoding set for ByteBuffer parameter
• R2DBC-101 Wrong default return type for MySQL JSON fields
• R2DBC-102 avoid netty unneeded dependencies

v1.2.0

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Notable Changes:

• R2DBC-93 new timezone option
• R2DBC-66 add support for connection redirection

Bugs Fixed:

• R2DBC-92 Properly end connection (in place of RST TCP packet)
• R2DBC-86 Failover High availability mode "r2dbc:mariadb:[sequential|loadbalancing]://..." wrongly parsed
• R2DBC-87 Compatibility with mariadb 11.1.1
• R2DBC-88 java 8 compatibility regression
• R2DBC-91 ensure respecting server collation
• R2DBC-94 session tracking wrong implementation when multiple system variable changes

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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[radovanradic]

It turns out maria-r2dbc 1.2.1 version removed reactor-netty dependency and added only reactor-netty-core. This got reactor-netty-http removed and I noticed Postgres r2dbc tests were failing and hanging indefinitely.
Adding this dependency resolved the issue with failing Postgres tests. So, apparently this project needed reactor-netty-http dependency that it was getting via maria r2dbc dependency but probably we were not aware. We can leave it like this, or add whole reactor-netty dependency since we could end up having version diffs between catalog and reactor-netty-core coming from maria r2dbc dependency.

[renovate]

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