chore(main): release 2.15.0 (#1446)

🤖 I have created a release *beep* *boop*
---


## [2.15.0](https://togithub.com/googleapis/java-spanner-jdbc/compare/v2.14.6...v2.15.0) (2023-12-22)


### Features

* Support PreparedStatement#getParameterMetaData() ([#1218](https://togithub.com/googleapis/java-spanner-jdbc/issues/1218)) ([721ff45](https://togithub.com/googleapis/java-spanner-jdbc/commit/721ff4552104efba47c19ef511282071c3b334c3))


### Performance Improvements

* Optimize isValid implementation ([#1444](https://togithub.com/googleapis/java-spanner-jdbc/issues/1444)) ([914e973](https://togithub.com/googleapis/java-spanner-jdbc/commit/914e973ad7fd638fabc3ec130b7618c51f01f401)), closes [#1443](https://togithub.com/googleapis/java-spanner-jdbc/issues/1443)


### Dependencies

* Update dependency org.postgresql:postgresql to v42.7.1 ([#1441](https://togithub.com/googleapis/java-spanner-jdbc/issues/1441)) ([5997555](https://togithub.com/googleapis/java-spanner-jdbc/commit/59975553826360b86492e50b9d49c29aecc28bab))

---
This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).

Author: release-please[bot]

CHANGELOG.md

@@ -1,5 +1,22 @@
 # Changelog
 
+## [2.15.0](https://github.com/googleapis/java-spanner-jdbc/compare/v2.14.6...v2.15.0) (2023-12-22)
+
+
+### Features
+
+* Support PreparedStatement#getParameterMetaData() ([#1218](https://github.com/googleapis/java-spanner-jdbc/issues/1218)) ([721ff45](https://github.com/googleapis/java-spanner-jdbc/commit/721ff4552104efba47c19ef511282071c3b334c3))
+
+
+### Performance Improvements
+
+* Optimize isValid implementation ([#1444](https://github.com/googleapis/java-spanner-jdbc/issues/1444)) ([914e973](https://github.com/googleapis/java-spanner-jdbc/commit/914e973ad7fd638fabc3ec130b7618c51f01f401)), closes [#1443](https://github.com/googleapis/java-spanner-jdbc/issues/1443)
+
+
+### Dependencies
+
+* Update dependency org.postgresql:postgresql to v42.7.1 ([#1441](https://github.com/googleapis/java-spanner-jdbc/issues/1441)) ([5997555](https://github.com/googleapis/java-spanner-jdbc/commit/59975553826360b86492e50b9d49c29aecc28bab))
+
 ## [2.14.6](https://github.com/googleapis/java-spanner-jdbc/compare/v2.14.5...v2.14.6) (2023-12-04)
 
 

pom.xml

@@ -4,7 +4,7 @@
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>google-cloud-spanner-jdbc</artifactId>
-  <version>2.14.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-spanner-jdbc:current} -->
+  <version>2.15.0</version><!-- {x-version-update:google-cloud-spanner-jdbc:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Spanner JDBC</name>
   <url>https://github.com/googleapis/java-spanner-jdbc</url>

samples/snapshot/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-spanner-jdbc</artifactId>
-      <version>2.14.7-SNAPSHOT</version>
+      <version>2.15.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
 

versions.txt

@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-spanner-jdbc:2.14.6:2.14.7-SNAPSHOT
+google-cloud-spanner-jdbc:2.15.0:2.15.0