Context plays a large role in determining what μνημονεύω means within a given text. For instance, the word clearly appears to signify the act of remembering in John 16:4, 21, whereas Heb. 11:22 possibly references the act of speaking or mentioning undertaken by Joseph.
See A.T. Robertson's note for Heb. 13:7: https://www.studylight.org/commentaries/rwp/hebrews-13.html