Bump metrics-server to v0.6.3 and update tls-cipher-suites

[brandond]

Proposed Changes

Bump metrics-server to v0.6.3 and update tls-cipher-suites

Types of Changes

version bump; security

Verification

check version and args
see linked issue

Testing

Linked Issues

• Use secure ciphers for metrics-server #7556

User-Facing Change

The bundled metrics-server has been bumped to v0.6.3, and now uses only secure TLS ciphers by default.

Further Comments

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.05 ⚠️

Comparison is base (2b24c99) 47.60% compared to head (236151a) 47.56%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7564      +/-   ##
==========================================
- Coverage   47.60%   47.56%   -0.05%     
==========================================
  Files         140      140              
  Lines       14284    14284              
==========================================
- Hits         6800     6794       -6     
- Misses       6410     6413       +3     
- Partials     1074     1077       +3     

Flag	Coverage Δ
inttests	44.92% <ø> (-0.05%)	⬇️
unittests	19.83% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/deploy/zz_generated_bindata.go	51.49% <ø> (ø)

... and 5 files with indirect coverage changes

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