Adding execute permission to integration presubmit file

[amitkrout]

What type of PR is this?
/kind bug

What does does this PR do / why we need it:
Unblock pr - openshift/release#8707
Which issue(s) this PR fixes:

Fixes NA

How to test changes / Special notes to the reviewer:
OpenShift CI should be able to run integration test against each pr

[prietyc123]

/lgtm

[girishramnani]

/approve

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: girishramnani

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• scripts/OWNERS [girishramnani]

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[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[codecov]

Codecov Report

Merging #3082 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3082   +/-   ##
=======================================
  Coverage   45.96%   45.96%           
=======================================
  Files         108      108           
  Lines       10273    10273           
=======================================
  Hits         4722     4722           
  Misses       5094     5094           
  Partials      457      457           

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[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.