The correct Active/Passive form of the given sentence is:

☀ We made a decision for not hiring anyone.

Explanation for other options:

☀ We have made a decision for does not hiring anyone. This option is not grammatically correct. The phrase "for does not hiring anyone" is not a valid construction in English. The correct form should be "We have made a decision not to hire anyone."

☀ We have made a decision for did not hired anyone. This option is not grammatically correct. The phrase "for did not hired anyone" is not a valid construction in English. The correct form should be "We have made a decision not to hire anyone."

☀ We made a decision for not hired anyone. This option is not in the correct verb tense. The sentence should use the infinitive form "to hire" instead of "for not hired." The correct form should be "We made a decision not to hire anyone."