Append Slash to Sensitive Mount Path startswith

[bgeesaman]

What type of PR is this?

/kind bug
/kind rule-update

Any specific area of the project related to this PR?

/area rules

What this PR does / why we need it:
Make L#1932 equivalent to L#1898
The sensitive mount path at L#1932:

               container.image.repository startswith quay.io/sysdig) 

is missing an important trailing slash like in L#1898:

               container.image.repository startswith quay.io/sysdig/)

Which issue(s) this PR fixes:
N/A

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

rule(macro falco_sensitive_mount_containers): Adds a trailing slash to avoid repo naming issues

[poiana]

Welcome @bgeesaman! It looks like this is your first PR to falcosecurity/falco 🎉

[krisnova]

Good catch - thank you

[poiana]

LGTM label has been added.

Git tree hash: 2f6fa8cccd120326ee5c843ec251b6097ac43bff

[leogr]

Good catch!

[leogr]

/milestone 0.26.0

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: leodido, leogr

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