CI: lower job timeout to 90 minutes (#2796)

Some integration tests fail due to hanging client-server comunication.
This PR lowers the timeout form 360 to 90 minutes, to detect failing CI
runs earlier.

Pull request: #2796

.github/workflows/run-mill-action.yml

@@ -18,12 +18,16 @@ on:
       continue-on-error:
         default: false
         type: boolean
+      timeout-minutes:
+        default: 90
+        type: number
 
 jobs:
   build:
 
     runs-on: ${{ inputs.os }}
     continue-on-error: ${{ inputs.continue-on-error }}
+    timeout-minutes: ${{ inputs.timeout-minutes }}
 
     steps:
       - uses: actions/checkout@v4