chore(deps): ⬆️ use Go 1.21.0

[andrii-zakurenyi]

Use latest Go 1.21.0.

[codecov]

Codecov Report

Merging #116 (9e1ba38) into main (a2521eb) will increase coverage by 18.78%.
Report is 62 commits behind head on main.
The diff coverage is 46.02%.

@@             Coverage Diff             @@
##             main     #116       +/-   ##
===========================================
+ Coverage   32.61%   51.39%   +18.78%     
===========================================
  Files          80       86        +6     
  Lines       10855    11880     +1025     
===========================================
+ Hits         3540     6106     +2566     
+ Misses       7027     5474     -1553     
- Partials      288      300       +12     

Files Changed	Coverage Δ
auth/encryption.go	54.54% <ø> (+33.33%)	⬆️
auth/method_password.go	72.72% <ø> (+36.36%)	⬆️
commands/siem.go	23.05% <0.00%> (+23.05%)	⬆️
constants/commands.go	75.00% <ø> (+25.00%)	⬆️
internal/store/pass_store.go	0.00% <ø> (ø)
internal/store/secure_store.go	0.00% <0.00%> (ø)
internal/store/win_store_notwindows.go	0.00% <ø> (ø)
utils/test_helpers/encryption.go	0.00% <ø> (ø)
vaultcli/cli_options.go	62.50% <ø> (+62.50%)	⬆️
vaultcli/config.go	54.10% <ø> (+19.32%)	⬆️
... and 26 more

... and 32 files with indirect coverage changes

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[sheldonhull]

@andrii-zakurenyi The only reason I'd hesitate is that Renovate images for updating tend to run behind a little on the Go version supported which would break any automatic vulnerability remediation prs. Approving, but if a PR gets created and artifact tidy & vendor step fails, be aware you may have to manually update the pull request before approving.