[OOB] Upgrades 'java' to '6.18.1'

[SvcGitHubPATagentoperatorimages]

Automated OOB update requested by SvcGitHubPATagentoperatorimages.

Agent: java
Version: 6.18.0 -> 6.18.1

[github-actions]

Images built:

dotnet-core: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-core@sha256:173a9d6c349ae95879b6891dad934a6a195d927838587804c9b601b72eb1c7e1
dotnet-framework: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-framework@sha256:120e4cb64c3355cad4861428dcaa68b10d8e1e11259492467728ab0fbb513cb8
java: ghcr.io/contrast-security-oss/agent-operator-images/agent-java@sha256:2a39d668e35dfb182657bda46e82857cdc2da80ee50cfd3dd30534ca340c6558
nodejs: ghcr.io/contrast-security-oss/agent-operator-images/agent-nodejs@sha256:0f1b90cc7dc5f988434b0761e137bc4e11e35e9118d401c3bf93f8ff6d17c856
php: ghcr.io/contrast-security-oss/agent-operator-images/agent-php@sha256:55d28ee7f440c99f4d1007e26e764924affc21687c30dc30cce497167188fc2c
python: ghcr.io/contrast-security-oss/agent-operator-images/agent-python@sha256:a5939ce112702cb001c9cc9e3074b5100d451c4cd791c3a28c1c6b79a2f20d10