3.15.0

• #1447 Release 3.15.0
• #1446 Matcher for property names
• #1444 Ensure modular access when reflecting
• #1442 Bump kotlin.version from 2.2.21 to 2.3.0
• #1441 Bump pymdown-extensions from 10.15 to 10.16.1 in /documentation
• #1440 Bump org.ow2.asm:asm from 9.9 to 9.9.1
• #1439 Bump actions/upload-artifact from 5 to 6
• #1438 Support Map<String, Optional<String>> in @ConfigMapping
• #1437 Add a isDefault method to ConfigValue to check if the value is a default
• #1435 Bump urllib3 from 2.5.0 to 2.6.0 in /documentation
• #1434 Provide a way to enable / disable cache of property names when building the config
• #1433 Bump io.smallrye:smallrye-parent from 47 to 48
• #1432 Bump actions/checkout from 5 to 6
• #1431 Bump io.fabric8:docker-maven-plugin from 0.47.0 to 0.48.0
• #1430 Document that when using Map quoted key, they must be use the same quoted format
• #1429 Support single underscore to represent ending quote in property name environment variable matching
• #1428 Throw IllegalArgumentException when using self-reference types
• #1426 Bump io.smallrye.common:smallrye-common-bom from 2.13.9 to 2.14.0
• #1425 docs: remove unexisting converters
• #1424 Bump version.smallrye.testing from 2.4.0 to 2.4.1
• #1423 Bump io.fabric8:docker-maven-plugin from 0.46.0 to 0.47.0
• #1422 Bump io.sundr:sundr-maven-plugin from 0.230.1 to 0.230.2
• #1421 Bump actions/upload-artifact from 4 to 5
• #1420 Bump kotlin.version from 2.2.20 to 2.2.21
• #1419 Introduce exact methods to get values from String, int and boolean
• #1418 Bump io.sundr:sundr-maven-plugin from 0.230.0 to 0.230.1
• #1417 Bump io.sundr:sundr-maven-plugin from 0.220.1 to 0.230.0
• #1416 Bump org.ow2.asm:asm from 9.8 to 9.9