fix: env output in pm2-describe

[fritx]

Q	A
Bug fix?	yes
New feature?	no
BC breaks?	no
Deprecations?	no
Tests pass?	yes
Fixed tickets	#5832
License	MIT
Doc PR	https://github.com/pm2-hive/pm2-hive.github.io/pulls

Situation

envs like vizion_running and vizion_running are Boolean not String. See: https://github.com/search?q=repo%3AUnitech%2Fpm2+%22env.vizion_running%22&type=code https://github.com/search?q=repo%3AUnitech%2Fpm2%20%22env.updateEnv%22&type=code

Before the fix

After the fix

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