Remove HikariCP shading and expose as transitive dependency

[Copilot]

HikariCP was being bundled into the shaded JAR with a relocated package, hiding it from consumers and requiring them to declare it separately if needed directly.

Changes

• Remove HikariCP from shade plugin artifactSet — no longer bundled/relocated into the output JAR
• Drop HikariCP relocation — removes the com.zaxxer.hikari → shaded.com.github.susom.database.shaded.com.zaxxer.hikari rewrite
• Remove <optional>true</optional> from the HikariCP dependency — consumers now receive HikariCP as a standard transitive dependency via Maven dependency resolution

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• us-west1-maven.pkg.dev
  • Triggering command: /usr/lib/jvm/temurin-17-jdk-amd64/bin/java /usr/lib/jvm/temurin-17-jdk-amd64/bin/java --enable-native-access=ALL-UNNAMED -classpath /usr/share/apache-maven-3.9.12/boot/plexus-classworlds-2.9.0.jar -Dclassworlds.conf=/usr/share/apache-maven-3.9.12/bin/m2.conf -Dmaven.home=/usr/share/apache-maven-3.9.12 -Dlibrary.jansi.path=/usr/share/apache-maven-3.9.12/lib/jansi-native -Dmaven.multiModuleProjectDirectory=/home/REDACTED/work/database/database org.codehaus.plexus.classworlds.launcher.Launcher clean package -Phsqldb -Duser.timezone=America/Los_Angeles -Dhsqldb.database.url=jdbc:hsqldb:file:target/hsqldb;shutdown=true -Dhsqldb.database.user=SA -Dhsqldb.database.password= (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

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