[OOB] Upgrades 'dotnet-core' to '4.3.7'

[SvcGitHubPATagentoperatorimages]

Automated OOB update requested by SvcGitHubPATagentoperatorimages.

Agent: dotnet-core
Version: 4.3.6 -> 4.3.7

[github-actions]

Images built:

dotnet-core: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-core@sha256:3c4318227a735083de7e7d68fc68996d387eef69e94bf18dadd30a4923de761f
dotnet-framework: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-framework@sha256:12fea56a7695f54682d286b17f60763147f3ea3121b32fbec209cd0885df9055
java: ghcr.io/contrast-security-oss/agent-operator-images/agent-java@sha256:eb7aab51e4a9b323f8d9b726a507165ce49a019b97ae2cc8babe76acf07e3d7d
nodejs: ghcr.io/contrast-security-oss/agent-operator-images/agent-nodejs@sha256:7036f26f9faa4c9e9cde62e22c1fd624595672ba583fd50c9fefb74eb3c74663
php: ghcr.io/contrast-security-oss/agent-operator-images/agent-php@sha256:062e17a3a0f3ecebfc516ebaf7bd0cec3be1a8b589cc2f097a1231440bcdbc4d
python: ghcr.io/contrast-security-oss/agent-operator-images/agent-python@sha256:6423e042192e43c2d0bf79c3f89a2ee67efc54a017937874e22ee8ddf43f4f5b