Use github token instead of personal one (#18797)

[Next only]

Author: Kordyjan

.github/workflows/lts-backport.yaml

@@ -20,5 +20,5 @@ jobs:
       - uses: VirtusLab/scala-cli-setup@v1.0.5
       - run: scala-cli ./project/scripts/addToBackportingProject.scala -- ${{ github.event.pull_request.number }}
         env:
-          GRAPHQL_API_TOKEN: ${{ secrets.GRAPHQL_API_TOKEN }}
+          GRAPHQL_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 

project/scripts/addToBackportingProject.scala

@@ -30,7 +30,7 @@ def getPrData(number: Int): (ID, String) =
     |}
     """.send(
       uri"https://api.github.com/graphql",
-      "Kordyjan",
+      "DummyUser",
       apiToken
     )
   (ID(res.repository.pullRequest.id), res.repository.pullRequest.mergedAt)
@@ -51,7 +51,7 @@ def timestampItem(id: ID, date: String) =
     |}
     """.send(
       uri"https://api.github.com/graphql",
-      "Kordyjan",
+      "DummyUser",
       apiToken
     )
 
@@ -69,7 +69,7 @@ def addItem(id: ID) =
     |}
     """.send(
       uri"https://api.github.com/graphql",
-      "Kordyjan",
+      "DummyUser",
       apiToken
     )
-  ID(res.addProjectV2ItemById.item.id)
+  ID(res.addProjectV2ItemById.item.id)