chore: Update TSS Block Signing weight threshold

[derektriley]

Description:
TSS Signing Process for Block Hash should be strictly greater than 1/2 of totalWeight instead of current >= 1/3

Related issue(s):

Fixes #21153

Notes for reviewer:

Checklist

• Documented (Code comments, README, etc.)
• Tested (unit, integration, etc.)

[lfdt-bot]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues

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[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.00% (target: -1.00%)	✅ 88.89%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (87dda05)	103838	78668	75.76%
Head commit (fef9bcd)	103844 (+6)	78674 (+6)	75.76% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#21175)	9	8	88.89%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 3 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...a/com/hedera/node/app/hints/impl/HintsContext.java	66.66%	1 Missing and 2 partials ⚠️

@@            Coverage Diff            @@
##               main   #21175   +/-   ##
=========================================
  Coverage     71.84%   71.85%           
- Complexity    24603    24608    +5     
=========================================
  Files          2666     2666           
  Lines        103933   103939    +6     
  Branches      10873    10875    +2     
=========================================
+ Hits          74670    74682   +12     
  Misses        25220    25220           
+ Partials       4043     4037    -6     

Files with missing lines	Coverage Δ	Complexity Δ
...in/java/com/hedera/node/config/data/TssConfig.java	100.00% <ø> (ø)	1.00 <0.00> (ø)
...a/com/hedera/node/app/hints/impl/HintsContext.java	71.13% <66.66%> (-0.30%)	12.00 <0.00> (ø)

... and 11 files with indirect coverage changes

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[Neeharika-Sompalli]

LGTM! Thanks @derektriley! The only comment I have is to make half as a dynamic property.

[thenswan]

hedera-state-validator/src/main/java/com/hedera/statevalidation/parameterresolver/InitUtils.java LGTM

[Neeharika-Sompalli]

LGTM, other than one comment. Thanks @derektriley @aderevets

[Neeharika-Sompalli]

LGTM other than one comment. Thanks @derektriley @aderevets