pass-otp: use command -v instead of which

Fixes https://github.com/termux/termux-packages/issues/8057.

packages/pass-otp/build.sh

@@ -3,7 +3,7 @@ TERMUX_PKG_DESCRIPTION="A pass extension for managing one-time-password (OTP) to
 TERMUX_PKG_LICENSE="GPL-3.0"
 TERMUX_PKG_MAINTAINER="Henrik Grimler @Grimler91"
 TERMUX_PKG_VERSION=1.2.0
-TERMUX_PKG_REVISION=2
+TERMUX_PKG_REVISION=3
 TERMUX_PKG_SRCURL=https://github.com/tadfisher/pass-otp/archive/v${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=5720a649267a240a4f7ba5a6445193481070049c1d08ba38b00d20fc551c3a67
 TERMUX_PKG_AUTO_UPDATE=true

packages/pass-otp/otp.bash.patch

@@ -0,0 +1,11 @@
+--- ./otp.bash~	2018-11-15 21:17:12.000000000 +0100
++++ ./otp.bash	2021-11-25 13:13:08.973741663 +0100
+@@ -17,7 +17,7 @@
+ # []
+ 
+ VERSION="1.1.1"
+-OATH=$(which oathtool)
++OATH=$(command -v oathtool)
+ 
+ ## source:  https://gist.github.com/cdown/1163649
+ urlencode() {