Skip install on update with missing tool

[Mzack9999]

Description

• Skip install on update missing tool
• Minor updates and optimizations

[ehsandeep]

Unrelated to this PR, but it looks like another issue in the update option, as per the example, even tlsx, katana is installed on the latest version, but it is still getting updated everytime -ua option is used.

./pdtm

1. subfinder (latest) (2.5.5)
2. dnsx (latest) (1.1.1)
3. naabu (not supported)
4. httpx (latest) (1.2.6)
5. nuclei (latest) (2.8.8)
6. uncover (latest) (1.0.2)
7. cloudlist (latest) (1.0.2)
8. proxify (latest) (0.0.8)
9. tlsx (latest) (1.0.5)
10. notify (latest) (1.0.4)
11. chaos-client (latest) (0.4.0)
12. shuffledns (latest) (1.0.8)
13. mapcidr (latest) (1.0.3)
14. interactsh-server (latest) (1.0.7)
15. interactsh-client (latest) (1.0.7)
16. katana (latest) (0.0.3)
17. pdtm (latest) (0.0.3)

$ ./pdtm -ua

[INF] subfinder: already up to date
[INF] dnsx: already up to date
[INF] naabu: not found
[INF] httpx: already up to date
[INF] nuclei: already up to date
[INF] uncover: already up to date
[INF] cloudlist: already up to date
[INF] proxify: already up to date
[INF] updating tlsx...
[INF] updated tlsx to 1.0.5(latest)
[INF] notify: already up to date
[INF] chaos-client: already up to date
[INF] shuffledns: already up to date
[INF] mapcidr: already up to date
[INF] interactsh-server: already up to date
[INF] interactsh-client: already up to date
[INF] updating katana...
[INF] updated katana to 0.0.3(latest)
[INF] pdtm: already up to date

[Mzack9999]

@ehsandeep I think the root cause is related to #52 - No tool out of the provided path should be deleted/updated