Bump the maven group across 2 directories with 1 update

Bumps the maven group with 1 update in the / directory: [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc).
Bumps the maven group with 1 update in the /core-database directory: [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc).


Updates `org.postgresql:postgresql` from 42.7.3 to 42.7.11
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pgjdbc/pgjdbc/compare/REL42.7.3...REL42.7.11)

Updates `org.postgresql:postgresql` from 42.7.3 to 42.7.11
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pgjdbc/pgjdbc/compare/REL42.7.3...REL42.7.11)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.11
  dependency-type: direct:production
  dependency-group: maven
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.11
  dependency-type: direct:production
  dependency-group: maven
...

Signed-off-by: dependabot[bot] <support@github.com>

README.md

@@ -93,13 +93,6 @@ https://nfd-parser.github.io/nfd-preview/preview.html?src=https%3A%2F%2Flz.qaiu.
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 ## API接口
 

core-database/pom.xml

@@ -65,7 +65,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.7.3</version>
+            <version>42.7.11</version>
         </dependency>
 
     </dependencies>