However, if you do travel alone, you might be proud of the fact, that you managed to do that, despite being an introvert and all that. Speaking from experience. You might not share or talk about it afterwards as much as others, for whom it comes more naturally, but you might have some great memories and feel at least a little bit enabled by having done it before.
Start small. "Travel" doesn't have to mean that you spent weeks in some distant country. Spend a day in some nice area that is within a couple hours travel time of where you live.
This also works if time and/or money are tight. Or if you just want to get out & see some new places & people more often.
Being introverted/shy doesn’t make travelling alone any easier. I’ve tried it multiple times and didn’t work too great for me. I enjoy being in familiar places by myself but when unfamiliar it’s a different story.
try it. but more important try to be active and do stuff you wouldn't do usually. you'd be at least surprised.