chore: Set evm version to v0.67

[lukelee-sl]

Set contracts.evm.version to v0.67 in the release/0.68 branch

[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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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

@@                Coverage Diff                 @@
##             release/0.68   #22199      +/-   ##
==================================================
+ Coverage           70.85%   70.88%   +0.02%     
- Complexity          24402    24419      +17     
==================================================
  Files                2668     2668              
  Lines              104347   104347              
  Branches            10960    10960              
==================================================
+ Hits                73938    73963      +25     
+ Misses              26361    26344      -17     
+ Partials             4048     4040       -8     

Files with missing lines	Coverage Δ	Complexity Δ
...a/com/hedera/node/config/data/ContractsConfig.java	100.00% <ø> (ø)	1.00 <0.00> (ø)

... and 8 files with indirect coverage changes

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[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.02% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (20f39f2)	104252	77941	74.76%
Head commit (f45bc47)	104252 (+0)	77958 (+17)	74.78% (+0.02%)

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 (#22199)	0	0	∅ (not applicable)

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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