ci: fix merge conflict in test between #12355 & #12364 (#12401)

Both #12355 and #12364 passed CIs individually, but when combined a new test added in #12364 was broken by the change in #12355.  Fixes the authorized integration test to use the new immutable subject format.

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### Tests for Go changes

- I added test coverage for Go changes...
  - [ ] in their respective `*_test.go` for unit tests.
  - [x] in the `tests/integration` directory if it involves interactions with a live Forgejo server.
- I ran...
  - [x] `make pr-go` before pushing

### Documentation

- [ ] I created a pull request [to the documentation](https://codeberg.org/forgejo/docs) to explain to Forgejo users how to use this change.
- [x] I did not document these changes and I do not expect someone else to do it.

### Release notes

- [ ] This change will be noticed by a Forgejo user or admin (feature, bug fix, performance, etc.). I suggest to include a release note for this change.
- [x] This change is not visible to a Forgejo user or admin (refactor, dependency upgrade, etc.). I think there is no need to add a release note for this change.

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/12401
Reviewed-by: Michael Kriese <michael.kriese@gmx.de>
Reviewed-by: Andreas Ahlenstorf <aahlenst@noreply.codeberg.org>

tests/integration/api_actions_id_token_test.go

@@ -204,7 +204,7 @@ func TestActionsIDToken(t *testing.T) {
 					{
 						Claim:      "sub",
 						Comparison: auth.ClaimEqual,
-						Value:      "repo:user5/repo4:ref:refs/heads/master",
+						Value:      "repo:user5-5/repo4-4:ref:refs/heads/master",
 					},
 				},
 			},