fix(): remove support for incompatible tls versions for envoy TLSMaxProtocolVersion

[whitneygriffith]

Description: Part of #5282. This removes support for TLSv1_0 and TLSv1_1 from the envoy TLSMaxProtocolVersion options.

Testing done:

Affected area:	Functional Area
New Functionality	[ ]
CI System	[ ]
CLI Tool	[ ]
Certificate Management	[ ]
Control Plane	[x]
Demo	[ ]
Documentation	[ ]
Egress	[ ]
Ingress	[ ]
Install	[ ]
Networking	[x]
Observability	[ ]
Performance	[ ]
SMI Policy	[ ]
Security	[ ]
Sidecar Injection	[ ]
Tests	[ ]
Upgrade	[ ]
Other	[ ]

[codecov-commenter]

Codecov Report

Merging #5298 (c3f6032) into release-v1.2 (1a9b067) will decrease coverage by 0.02%. The diff coverage is n/a.

:exclamation: Current head c3f6032 differs from pull request most recent head e57e7d2. Consider uploading reports for the commit e57e7d2 to get more accurate results

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@@               Coverage Diff                @@
##           release-v1.2    #5298      +/-   ##
================================================
- Coverage         68.83%   68.81%   -0.02%     
================================================
  Files               210      210              
  Lines             15679    15679              
================================================
- Hits              10792    10789       -3     
- Misses             4836     4839       +3     
  Partials             51       51              

Flag	Coverage Δ
unittests	68.81% <ø> (-0.02%)	:arrow_down:

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see 1 file with indirect coverage changes

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[keithmattix]

@whitneygriffith don't forget to submit a similar PR for the main branch