[OOB] Upgrades 'dotnet-core' to '4.3.6'

[SvcGitHubPATagentoperatorimages]

Automated OOB update requested by SvcGitHubPATagentoperatorimages.

Agent: dotnet-core
Version: 4.3.4 -> 4.3.6

[github-actions]

Images built:

dotnet-core: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-core@sha256:5fa4e1b322118eefc7eac98cd1ee297308de95948ba0001d8fa5716a0e806d0e
dotnet-framework: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-framework@sha256:3b91f15a67ac2710a0ac0b7966afaf2ac7053e3c2d339a9810773b19a10362ff
java: ghcr.io/contrast-security-oss/agent-operator-images/agent-java@sha256:044409d8f777a0aa70a41f9b036c31ed109e73238f0408550e6fa549ce7b03ea
nodejs: ghcr.io/contrast-security-oss/agent-operator-images/agent-nodejs@sha256:d33322962359b0692dc0c8780c1090255db852cfc5e47d30f803837d4a6aaeff
php: ghcr.io/contrast-security-oss/agent-operator-images/agent-php@sha256:c1c578f1c9b51b82778e3f5e8e53fff54357901f0627e528cff79a4138631bef
python: ghcr.io/contrast-security-oss/agent-operator-images/agent-python@sha256:99062ef2b0fa699165548bab0342f62badfa4377510b829015dc27001ac388f9