Add dotnet-runtime 8.0.18, remove dotnet-runtime 8.0.15

for stack(s) cflinuxfs4, cflinuxfs3

Author: cf-buildpacks-eng

manifest.yml

@@ -68,14 +68,14 @@ dependencies:
   source: https://builds.dotnet.microsoft.com/dotnet/aspnetcore/Runtime/9.0.4/aspnetcore-runtime-9.0.4-linux-x64.tar.gz
   source_sha256: 2ef497b573802039932b6c6075e1abcdc85c9b766a6eb0d4cda14e22130982d2
 - name: dotnet-runtime
-  version: 8.0.15
-  uri: https://buildpacks.cloudfoundry.org/dependencies/dotnet-runtime/dotnet-runtime_8.0.15_linux_x64_any-stack_cb0a94df.tar.xz
-  sha256: cb0a94dffeacff3a601c99b6bb9d374bd6174d4eea2abf6fc9c20b061bce6857
+  version: 8.0.18
+  uri: https://buildpacks.cloudfoundry.org/dependencies/dotnet-runtime/dotnet-runtime_8.0.18_linux_x64_any-stack_e0a1d676.tar.xz
+  sha256: e0a1d676667a8b7b9000a38f2c6d930d05bd77673168897defc191af1efec7ae
   cf_stacks:
   - cflinuxfs4
   - cflinuxfs3
-  source: https://builds.dotnet.microsoft.com/dotnet/Runtime/8.0.15/dotnet-runtime-8.0.15-linux-x64.tar.gz
-  source_sha256: c705fdedc7e1f01ef9531e63732cdf710710a0e626c6a85ec828e80811068072
+  source: https://builds.dotnet.microsoft.com/dotnet/Runtime/8.0.18/dotnet-runtime-8.0.18-linux-x64.tar.gz
+  source_sha256: fb570a6e593fad7e3453ad29555cf51f911feb99cab4aab7c90a7bca7980a62b
 - name: dotnet-runtime
   version: 9.0.4
   uri: https://buildpacks.cloudfoundry.org/dependencies/dotnet-runtime/dotnet-runtime_9.0.4_linux_x64_any-stack_bfb5185a.tar.xz