Increase the role assumption duration (#543)

Tests occasionally time out due to the runs taking a little over one
hour. Increase the role assumption duration to 4 hours.

*Issue #, if available:*

*Description of changes:*


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Signed-off-by: Simon Marty <[email protected]>

Author: simonmarty

.github/workflows/integ.yml

@@ -126,6 +126,7 @@ jobs:
           role-to-assume: ${{ secrets.ROLE_ARN }}
           role-session-name: csi-driver-ci-${{ github.run_id }}-${{ matrix.arch }}
           aws-region: us-west-2
+          role-duration-seconds: 14400
 
       - name: Run integ tests
         run: cd tests && ./run-tests.sh ${{ matrix.arch-short }}-${{ matrix.auth_type }}