[chore] Add issues with waiting-for-code-owners label to the weekly r…

…eport (open-telemetry#33330)

**Description:** 

Added the list of issues with the `waiting-for-code-owner` to the weekly
report

**Link to tracking Issue:** 

open-telemetry#32490

**Testing:**

Check the testing_actions.md file

**Documentation:**

I've added the docs/testing_actions.md file to describe how to test the
new functionality

---------

Co-authored-by: Pablo Baeyens <[email protected]>

.github/workflows/scripts/generate-weekly-report.js

@@ -114,6 +114,10 @@ async function getIssuesData({octokit, context}) {
       filterPrs: true,
       alias: "issuesSponsorNeeded",
     },
+    "waiting-for-code-owners": {
+      filterPrs: false,
+      alias: "issuesCodeOwnerNeeded",
+    }
   };
 
   const issuesNew = await getNewIssues({octokit, context});
@@ -151,6 +155,11 @@ async function getIssuesData({octokit, context}) {
       count: 0,
       data: []
     },
+    issuesCodeOwnerNeeded: {
+      title: "Issues and PRs that need code owner review",
+      count: 0,
+      data: []
+    }
   }
 
   // add new issues