PR builds do not pick up personal repo and branch

Grinder works as expected. `jtreg_7_3_1_1` is used for JDK17.

```
00:01:49.607 getDependentLibs:
00:01:50.038 [exec] --------------------------------------------
00:01:50.038 [exec] path is set to /home/jenkins/workspace/Grinder/aqa-tests/TKG/../TKG/lib
00:01:50.038 [exec] task is set to default
00:01:50.038 [exec] dependencyList is set to jtreg_7_3_1_1,tohandler_simple
```

However, the PR build does not pick up the change. `jtreg_6_1` is used for JDK17.
https://github.com/adoptium/aqa-tests/actions/runs/6748416466/job/18346700001?pr=4852
```
getDependentLibs:
[exec] --------------------------------------------
[exec] path is set to /home/runner/work/aqa-tests/aqa-tests/aqa-tests/TKG/../TKG/lib
[exec] task is set to default
[exec] dependencyList is set to jtreg_6_1
```

adoptium master is used in the PR builds. @sophia-guo do you know why this is happening?
```
git repo:
Fetch URL: https://github.com/adoptium/aqa-tests.git
sha:
e730d4fc4a6bd2367f697ee246d26d128fc85e28
```

_Originally posted by @llxia in https://github.com/adoptium/aqa-tests/issues/4852#issuecomment-1792885399_