pass: Avoid inconsequential stealth update

Closes: https://trac.macports.org/ticket/70495

security/pass/Portfile

@@ -21,6 +21,8 @@ depends_run         port:git \
                     path:bin/gpg:gnupg2
 
 master_sites        https://git.zx2c4.com/password-store/snapshot/
+# Avoid stealth update of 1.7.4
+master_sites        macports_distfiles
 distname            password-store-${version}
 use_xz              yes
 
@@ -81,4 +83,4 @@ notes "
 
 livecheck.type    regex
 livecheck.url     ${homepage}
-livecheck.regex   The latest version is (\[\\d\\.\]+)\\.
+livecheck.regex   {The latest version is ([\d.]+)\.}