Patched: Rename `TERMUX_APP__*` and `SHELL_CMD__*` environment variables as variable names will be changed for the stable `v0.119.0` release

- `TERMUX_APP__VERSION_NAME` to `TERMUX_APP__APP_VERSION_NAME`
- `TERMUX_APP__VERSION_CODE` to `TERMUX_APP__APP_VERSION_CODE`
- `TERMUX_APP__UID` to `TERMUX__UID`
- `TERMUX_APP__APK_PATH` to `TERMUX_APP__APK_FILE`
- `TERMUX_APP__SE_PROCESS_CONTEXT` to `TERMUX__SE_PROCESS_CONTEXT`
- `TERMUX_APP__SE_FILE_CONTEXT` to `TERMUX__SE_FILE_CONTEXT`
- `TERMUX_APP__SE_INFO` to `TERMUX__SE_INFO`
- `TERMUX_APP__USER_ID` to `TERMUX__USER_ID`
- `TERMUX_APP__PROFILE_OWNER` to `TERMUX__PROFILE_OWNER`
- `TERMUX_APP__FILES_DIR` to `TERMUX_APP__DATA_DIR`
- `SHELL_CMD__TERMINAL_SESSION_NUMBER_SINCE_BOOT` to `SHELL_CMD__APP_TERMINAL_SESSION_NUMBER_SINCE_BOOT`
- `SHELL_CMD__TERMINAL_SESSION_NUMBER_SINCE_APP_START` to `SHELL_CMD__APP_TERMINAL_SESSION_NUMBER_SINCE_APP_START`