fix(ci): increase timeout processing RH OVAL data

[BradLugo]

Description

Increases the timeout for the HTTP client that requests Red Hat OVAL feeds. We previously did this for the v2 feed in this PR: #1820. However, our "v1" OVAL updater also uses the v2 feed URLs:

scanner/ext/vulnsrc/rhel/rhel.go

Line 44 in 5d2c067

bulkOVALURI = ovalURI + "v2/"

scanner/ext/vulnsrc/rhel/rhel.go

Lines 54 to 58 in 5d2c067

	bulkRHSAXMLBZ2URLs = map[string]string{
	bulkOVALURI + "RHEL6/rhel-6-including-unpatched.oval.xml.bz2": "6",
	bulkOVALURI + "RHEL7/rhel-7-including-unpatched.oval.xml.bz2": "7",
	bulkOVALURI + "RHEL8/rhel-8-including-unpatched.oval.xml.bz2": "8",
	}

Moreover, these changes will keep the timeout consistent between reading from the "v1" and v2 Red Hat OVAL feeds.

Example of the error these changes should fix: https://github.com/stackrox/scanner/actions/runs/14848990112/job/41689019123

[openshift-ci]

@BradLugo: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-tests	7c7ceb7	link	false	/test e2e-tests

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[dcaravel]

Nice catch, LGTM