Updated .net actions.

dotnet/dotnet-10/entrypoint.sh

@@ -1,4 +1,6 @@
 #!/bin/bash
+source nuget_utils.sh
+
 COMMAND="$@"
 set -o pipefail
 
@@ -21,8 +23,14 @@ if [[ -n "$OUTPUT" ]]; then
     echo "EOF" >> "$GITHUB_OUTPUT"
 fi
 
+# Add NuGet sources before running command
+handle_nuget_sources "add"
+
 echo "exitCode=$RESULT" >> "$GITHUB_OUTPUT"
 
+# Remove NuGet sources after running command
+handle_nuget_sources "remove"
+
 if [[ "$CATCH_ERRORS" != "true" ]]; then
     exit $RESULT
 fi