fix: capitalisation in tree output

[snprajwal]

No description provided.

[codecov-commenter]

Codecov Report

Patch coverage: 83.66% and project coverage change: +0.84 🎉

Comparison is base (69a4966) 80.00% compared to head (21602f2) 80.84%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #83      +/-   ##
==========================================
+ Coverage   80.00%   80.84%   +0.84%     
==========================================
  Files           3        4       +1     
  Lines         435      496      +61     
==========================================
+ Hits          348      401      +53     
- Misses         64       70       +6     
- Partials       23       25       +2     

Impacted Files	Coverage Δ
container.go	76.19% <76.54%> (-4.04%)	⬇️
checkpointctl.go	89.03% <85.71%> (+2.07%)	⬆️
tree.go	88.60% <88.60%> (ø)

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[github-actions]

Test Results

33 tests  ±0   33 ✔️ ±0   0s ⏱️ -1s
  1 suites ±0     0 💤 ±0 
  1 files   ±0     0 ❌ ±0 

Results for commit 21602f2. ± Comparison against base commit 027219c.