Minor security hardening

[jotak]

Description

• sha pinning of the remaining github-owned actions
• dependabot setting for docker & actions
• force tls client minversion

Dependencies

n/a

Checklist

• Does the changes in PR need specific configuration or environment set up for testing?
  • if so please describe it in PR description.
• I have added thorough unit tests for the change.
• QE requirements (check 1 from the list):
  • Standard QE validation, with pre-merge tests unless stated otherwise.
  • Regression tests only (e.g. refactoring with no user-facing change).
  • No QE (e.g. trivial change with high reviewer's confidence, or per agreement with the QE team).

[openshift-ci]

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[github-actions]

New image:

quay.io/netobserv/network-observability-cli:15cde971

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To use this build, update your commands using:

USER=netobserv VERSION=15cde971 make commands

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[openshift-ci]

@jotak: 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/integration-tests	15cde97	link	true	/test integration-tests

Full PR test history. Your PR dashboard.

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