[OOB] Upgrades 'dotnet-framework' to '51.1.13'

[SvcGitHubPATagentoperatorimages]

Automated OOB update requested by SvcGitHubPATagentoperatorimages.

Agent: dotnet-framework
Version: 51.1.12 -> 51.1.13

[github-actions]

Images built:

dotnet-core: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-core@sha256:64fdd4811a46e1e52ecab2e9537736fc5eb963259b3736de3f9e069491d4deb7
dotnet-framework: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-framework@sha256:a25888ab483138a6ff6a61a86f8bce92e2e920a3fcb4b512b694bac4b6210ded
java: ghcr.io/contrast-security-oss/agent-operator-images/agent-java@sha256:a0ea4cd1362120ecbfde09a2d6fb6b4d778a84a567f3c4d7c0f42a9a6c65404c
nodejs: ghcr.io/contrast-security-oss/agent-operator-images/agent-nodejs@sha256:322a3235867e1c6f2378426c1a464f2a0dda6676e2d0d3edfc25c8af8d41e5a7
php: ghcr.io/contrast-security-oss/agent-operator-images/agent-php@sha256:10b19ed89ea485e7a306e9626e6e2ceef4df5562578de8d4cdb67482f2e1ad7d
python: ghcr.io/contrast-security-oss/agent-operator-images/agent-python@sha256:b36aa79a3b204a9074020c8771774c2add0beaf5a295cbf6bbc503af223673e3