feat: [containeranalysis] Added line_number to FileLocation (#7608)

* feat: Added line_number to FileLocation

PiperOrigin-RevId: 882149723

Source-Link: googleapis/googleapis@e8e4e1e

Source-Link: googleapis/googleapis-gen@1c98e82
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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Santiago Quiroga <22756465+quirogas@users.noreply.github.com>
Co-authored-by: Gabe Pearhill <86282859+pearigee@users.noreply.github.com>

Author: 3 people

packages/google-devtools-containeranalysis/protos/grafeas/v1/common.proto

@@ -134,6 +134,9 @@ message FileLocation {
   // Each package found in a file should have its own layer metadata (that is,
   // information from the origin layer of the package).
   LayerDetails layer_details = 2;
+  // Line number in the file where the package was found.
+  // Optional field that only applies to source repository scanning.
+  int32 line_number = 3;
 }
 
 // BaseImage describes a base image of a container image.