fix: use github app for benchmark auth

Author: mchristopher

.github/workflows/ci.yml

@@ -478,6 +478,7 @@ jobs:
 
   forc-run-benchmarks:
     runs-on: buildjet-4vcpu-ubuntu-2204
+    environment: fuel-sway-bot
     permissions:
       contents: write
     steps:
@@ -499,13 +500,19 @@ jobs:
         with:
           repository: FuelLabs/sway-performance-data
           path: performance-data
+      - name: Get GitHub app token
+        uses: actions/create-github-app-token@v1
+        id: app-token
+        with:
+          app-id: ${{ vars.APP_ID }}
+          private-key: ${{ secrets.APP_KEY }}
       - name: Checkout benchmark data
         if: github.event_name == 'push'
         uses: actions/checkout@v3
         with:
           repository: FuelLabs/sway-performance-data
           path: performance-data
-          token: ${{ secrets.CI_ACCOUNT_PAT }}
+          token: ${{ steps.app-token.outputs.token }}
       - name: Prepare benchmarks data for commit
         if: github.event_name == 'push'
         run: ./benchmark.sh --prepare-for-commit