[OOB] Upgrades 'dotnet-core' to '4.5.1'

[SvcGitHubPATagentoperatorimages]

Automated OOB update requested by SvcGitHubPATagentoperatorimages.

Agent: dotnet-core
Version: 4.5.0 -> 4.5.1

[github-actions]

Images built:

dotnet-core: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-core@sha256:196d5f7d379094612e9c0cbeb005cd48a358854115ff35dd7a3701903985f53c
dotnet-framework: ghcr.io/contrast-security-oss/agent-operator-images/agent-dotnet-framework@sha256:0dd68da9613e6e54ee72b1521da636913cde93f608e5c1797efb84e5c4f00f58
java: ghcr.io/contrast-security-oss/agent-operator-images/agent-java@sha256:fd5cdcb217f0da6dfa934c926bf192434122796284ee1f6136c2640da3977ad5
nodejs: ghcr.io/contrast-security-oss/agent-operator-images/agent-nodejs@sha256:56842f34b0ac8a741b874d4296b2c3dd9f2ffcf2ddaead4648038a31ae23e16f
php: ghcr.io/contrast-security-oss/agent-operator-images/agent-php@sha256:e9b2073e732ec07b6591b8f698a2537224a0e58e8ddd08740abdc16dda40184e
python: ghcr.io/contrast-security-oss/agent-operator-images/agent-python@sha256:67e7f08b6de6ea0b81cc918cdc5c634bf64ed9539f93df97d81986f4b26e9547
flex: ghcr.io/contrast-security-oss/agent-operator-images/agent-flex@sha256:305b50f137dda82072108a09899c62498b34fc44a6f07dc2ae126e931ed731c7