[OOB] Upgrades 'dotnet-framework' to '51.2.3'

[SvcGitHubPATagentoperatorimages]

Automated OOB update requested by SvcGitHubPATagentoperatorimages.

Agent: dotnet-framework
Version: 51.2.2 -> 51.2.3

[github-actions]

Images built:

dotnet-core: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-core@sha256:8c9d57e69951997bd1c7de0aca4f4fd68c4a77da67225ba7cd76a6b42036f883
dotnet-framework: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-framework@sha256:b711149c83e92eaa444c72976cc2cae9aa8e8c0b6d5c3450e2ac7fb2bc5b8e73
java: ghcr.io/contrast-security-oss/agent-operator-images/agent-java@sha256:866c9cbf96508929b9e425b3cfc88a1558d63ef2e75244db1a521ee44c612600
nodejs: ghcr.io/contrast-security-oss/agent-operator-images/agent-nodejs@sha256:38c1e94c4c7ab7826655dbf9af7582b70398954401fdb0bac58a9c7ebf93360c
php: ghcr.io/contrast-security-oss/agent-operator-images/agent-php@sha256:6f8310480191ca649a7ab3f466b28f520ead05b8eebf85a6e109139f0a0cdde0
python: ghcr.io/contrast-security-oss/agent-operator-images/agent-python@sha256:193ce89abb4ecf6ba87b39f77672284211e4558b7c9673bab9cd3539d32188cb