Bump postgresql from 42.7.11 to 42.7.12 to fix CVE-2026-54291

pom.xml

@@ -75,6 +75,7 @@
         <httpcore5.version>5.4.3</httpcore5.version> <!-- to fix CVE-2026-54399 and CVE-2026-54428 (no fix exists on the 5.3.x line; httpclient5 5.5.2 from the Spring Boot BOM is compatible with httpcore5 5.4.x). Pinned via the httpcore5 overrides below: spring-boot-dependencies is imported as a BOM, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
         <logback.version>1.5.38</logback.version> <!-- to fix CVE-2026-13006 (1.5.36 as reported by the scanner is still vulnerable; 1.5.37 removed Janino conditional processing entirely, 1.5.38 adds a HardenedObjectInputStream fix). Pinned via the logback overrides below: spring-boot-dependencies is imported as a BOM, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
         <jackson-bom.version>2.21.5</jackson-bom.version> <!-- to fix CVE-2026-59889. Pinned via the jackson-bom import below: spring-boot-dependencies re-imports jackson-bom with its own placeholder, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
+        <postgresql.version>42.7.12</postgresql.version> <!-- to fix CVE-2026-54291. Pinned via the postgresql override below: spring-boot-dependencies is imported as a BOM, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
         <javax.xml.bind-api.version>2.4.0-b180830.0359</javax.xml.bind-api.version>
         <jjwt.version>0.12.5</jjwt.version>
         <rat.version>0.10</rat.version> <!-- unused -->
@@ -1069,6 +1070,13 @@
                 <scope>import</scope>
             </dependency>
             <!-- End of jackson-bom version override -->
+            <!-- Temporary postgresql version override -->
+            <dependency>
+                <groupId>org.postgresql</groupId>
+                <artifactId>postgresql</artifactId>
+                <version>${postgresql.version}</version>
+            </dependency>
+            <!-- End of postgresql version override -->
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>