[cbuild] Add list environment command

[soumeh01]

Related to Open-CMSIS-Pack/devtools#783

Extended cbuild with list environment command
for e.g

$ cbuild list environment
CMSIS_PACK_ROOT=C:/Users/Test/AppData/Local/Arm/Packs
CMSIS_COMPILER_ROOT=C:/Test/cmsis-toolbox/etc
cmake=C:/tools/bin/cmake.exe, version 3.26.0
ninja=C:/Users/Test/AppData/Local/Programs/Python/Python310/Scripts/ninja.exe, version 1.10.2

or

$ cbuild list environment
CMSIS_PACK_ROOT=C:/Users/Test/AppData/Local/Arm/Packs
CMSIS_COMPILER_ROOT=C:/Test/cmsis-toolbox/etc
cmake=<Not Found>
ninja=<Not Found>

or

$ cbuild list environment -h
Print list of environment configurations

Usage:
  cbuild list environment [flags]

Flags:
  -h, --help   help for environment

Global Flags:
  -l, --log string   Save output messages in a log file

[github-actions]

Test Results

    4 files  ±  0    28 suites  ±0   5s ⏱️ -2s
136 tests +10  136 ✔️ +10  0 💤 ±0  0 ❌ ±0 
544 runs  +40  544 ✔️ +40  0 💤 ±0  0 ❌ ±0 

Results for commit e9d11b1. ± Comparison against base commit 75fbf9f.

♻️ This comment has been updated with latest results.

[codecov-commenter]

Codecov Report

Patch coverage: 27.27% and project coverage change: -3.45 ⚠️

Comparison is base (75fbf9f) 77.68% compared to head (183db63) 74.23%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #62      +/-   ##
==========================================
- Coverage   77.68%   74.23%   -3.45%     
==========================================
  Files          12       13       +1     
  Lines        1035     1106      +71     
==========================================
+ Hits          804      821      +17     
- Misses        171      223      +52     
- Partials       60       62       +2     

Impacted Files	Coverage Δ
pkg/builder/csolution/builder.go	52.46% <0.00%> (-9.35%)	⬇️
pkg/utils/utils.go	82.37% <50.00%> (-0.82%)	⬇️
cmd/cbuild/commands/list/list_environment.go	75.00% <75.00%> (ø)
pkg/utils/configs.go	75.00% <75.00%> (+3.00%)	⬆️
cmd/cbuild/commands/list/list.go	100.00% <100.00%> (ø)

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