[OOB] Upgrades 'nodejs' to '5.56.0'

[SvcGitHubPATagentoperatorimages]

Automated OOB update requested by SvcGitHubPATagentoperatorimages.

Agent: nodejs
Version: 5.55.0 -> 5.56.0

[github-actions]

Images built:

dotnet-core: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-core@sha256:22f7317cdeeba7be5597f98175c6a04c6e0c1721726e3f0e6c78fe688c3300ce
dotnet-framework: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-framework@sha256:c39c64731012f020774cb3a0aec82da71245dadf3ebbc6a6885491cb0693e11d
java: ghcr.io/contrast-security-oss/agent-operator-images/agent-java@sha256:df9c16fdd8b62e22ac8f08a9f45b30a990e174fe81ceff354c5a0fc62174fa40
nodejs: ghcr.io/contrast-security-oss/agent-operator-images/agent-nodejs@sha256:50d42bbcd56a8c59cdebde22ff452cae920abc2988d0de7808234559c8d27af2
php: ghcr.io/contrast-security-oss/agent-operator-images/agent-php@sha256:08b68036d072c4d6ba98fb1c0d7928403f046534e82f0a846649083912581f21
python: ghcr.io/contrast-security-oss/agent-operator-images/agent-python@sha256:7793e177fac71e545a96bdf48e73e9865d76f29f1ab52cdc638a9123447aa151
flex: ghcr.io/contrast-security-oss/agent-operator-images/agent-flex@sha256:299cc03f14efd13cbd5f76cb6c30ac85ef704f77af67066acaebaf72acb2e39b