use full file suffix for omc binary download to fix build error

[T0MASD]

use full file suffix for omc binary download, fixes build error:

[6/12] STEP 8/11: RUN /bin/bash -c "curl -sSLf -O $(curl -sSLf ${OMC_URL} -o - | jq -r '.assets[] | select(.name|test("Linux_x86_64")) | .browser_download_url')"
/bin/bash: line 2: https://github.com/gmeghnag/omc/releases/download/v2.5.0/omc_Linux_x86_64.tar.gz: No such file or directory
Error: building at STEP "RUN /bin/bash -c "curl -sSLf -O $(curl -sSLf ${OMC_URL} -o - | jq -r '.assets[] | select(.name|test("Linux_x86_64")) | .browser_download_url')"": while running runtime: exit status 127

this is because

OMC_URL=https://api.github.com/repos/gmeghnag/omc/releases/tags/v2.5.0
curl -sSLf ${OMC_URL} -o - | jq -r '.assets[] | select(.name|test("Linux_x86_64")) | .browser_download_url'

returns 2 results:

https://github.com/gmeghnag/omc/releases/download/v2.5.0/omc_Linux_x86_64
https://github.com/gmeghnag/omc/releases/download/v2.5.0/omc_Linux_x86_64.tar.gz

but curl expects 1 url, using omc_Linux_x86_64.tar.gz instead of omc_Linux_x86_64 because it's 3+ times smaller

[AlexVulaj]

/lgtm

[clcollins]

/lgtm /approve

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AlexVulaj, clcollins, T0MASD

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