feat(github): scan issue & pr titles (#1899)

Author: rgmz

pkg/sources/github/github.go

@@ -1356,7 +1356,7 @@ func (s *Source) chunkIssues(ctx context.Context, repoInfo repoInfo, issues []*g
 					},
 				},
 			},
-			Data:   []byte(sanitizer.UTF8(issue.GetBody())),
+			Data:   []byte(sanitizer.UTF8(issue.GetTitle() + issue.GetBody())),
 			Verify: s.verify,
 		}
 
@@ -1455,7 +1455,7 @@ func (s *Source) chunkPullRequests(ctx context.Context, repoInfo repoInfo, prs [
 					},
 				},
 			},
-			Data:   []byte(sanitizer.UTF8(pr.GetBody())),
+			Data:   []byte(sanitizer.UTF8(pr.GetTitle() + pr.GetBody())),
 			Verify: s.verify,
 		}