Mount the whole /etc/ssl/certs directory for k8s-ec2-srcdst

[kitos9112]

This PR fixes a particular issue when deploying Calico CNI in other AMI not based on Debian where the local SSL CA Cert store doesn't always point to ca-certificates.crt

@hakman suggested to mount the whole directory instead of referring to a file as a workaorund. More details on #10150
Signed-off-by: Marcos Soutullo Rodriguez

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[k8s-ci-robot]

Hi @kitos9112. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[hakman]

/ok-to-test

[hakman]

Thanks @kitos9112. This looks nice. Once the tests pass, I will take care of merging and cherry-picking.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hakman, kitos9112

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[hakman]

/lgtm