"Termux and its plugins are no longer updated on Google Play Store due to android 10 issues and have been deprecated. The last version released for Android >= 7 was v0.101. It is highly recommended to not install Termux apps from Play Store any more."
Basically, Google keeps locking down more and more niche computing functions like "file access" and "running subprocesses" that no one would ever want to use, in the name of security.