[OOB] Upgrades 'nodejs' to '5.6.0'

[SvcGitHubPATagentoperatorimages]

Automated OOB update requested by SvcGitHubPATagentoperatorimages.

Agent: nodejs
Version: 5.5.0 -> 5.6.0

[github-actions]

Images built:

dotnet-core: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-core@sha256:23efe32913d044eb1b1f5515118bf603e20661c26573c9dbaec4b02168afba0b
dotnet-framework: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-framework@sha256:c200538b66a0ab6b9abf1caf887ddb9e3868a2ad0a4a01ce23e11a27ba720892
java: ghcr.io/contrast-security-oss/agent-operator-images/agent-java@sha256:0da7812bd7b6971d6b7893f22262c299c14c5dcc7da7b6d6c140a6c590d50415
nodejs: ghcr.io/contrast-security-oss/agent-operator-images/agent-nodejs@sha256:3e2b270dc650294cafed7c2a0f43a0853a9bc3f7201d212660bf311a69de9688
php: ghcr.io/contrast-security-oss/agent-operator-images/agent-php@sha256:314ec0f66a35ea224b4d62b6a2b217a89a301b83ffa4a00edaa491f91d1bc410
python: ghcr.io/contrast-security-oss/agent-operator-images/agent-python@sha256:bd8c8b17b9eff908119d62efb8cb5fea9a279724a95bfd99f9ed454ce8a9dba5