ci: update ci config

- revert back to `pull_request` instead of `pull_request_target`
- use `github.repository_owner` in some env values
- only trigger `triage` workflow on newly opened pull request

Signed-off-by: Fery Wardiyanto <ferywardiyanto@gmail.com>

.github/workflows/test.yml

@@ -3,7 +3,7 @@ name: Tests
 on:
   schedule: # scheduled to run at 23.00 on Saturday (UTC), means 6.00 on Monday (WIB)
     - cron: '0 23 * * 6'
-  pull_request_target:
+  pull_request:
     branches: [main]
   push:
     branches: [main]
@@ -19,8 +19,8 @@ jobs:
     runs-on: ubuntu-latest
     env:
       DB_CONNECTION: ${{ matrix.db }}
-      DB_DATABASE: 'creasico'
-      DB_USERNAME: 'creasico'
+      DB_DATABASE: ${{ github.repository_owner }}
+      DB_USERNAME: ${{ github.repository_owner }}
       DB_PASSWORD: 'secret'
 
     services:

.github/workflows/triage.yml

@@ -1,6 +1,8 @@
 name: Triage
 
-on: [pull_request_target]
+on:
+  pull_request_target:
+    types: [opened]
 
 jobs:
   labels: