fix(main/perl): force cpan to never interactively prompt to use local::lib, just always default to it

Gets rid of this infinite loop that can permanently freeze many noninteractive scripts which need to run `cpan`:

```
What approach do you want?  (Choose 'local::lib', 'sudo' or 'manual')
 [local::lib]
Warning: You do not have write permission for Perl library directories.

To install modules, you need to configure a local Perl library directory or
escalate your privileges.  CPAN can help you by bootstrapping the local::lib
module or by configuring itself to use 'sudo' (if available).  You may also
resolve this problem manually if you need to customize your setup.

What approach do you want?  (Choose 'local::lib', 'sudo' or 'manual')
 [local::lib]
Warning: You do not have write permission for Perl library directories.

To install modules, you need to configure a local Perl library directory or
escalate your privileges.  CPAN can help you by bootstrapping the local::lib
module or by configuring itself to use 'sudo' (if available).  You may also
resolve this problem manually if you need to customize your setup.

What approach do you want?  (Choose 'local::lib', 'sudo' or 'manual')
 [local::lib]
Warning: You do not have write permission for Perl library directories.

To install modules, you need to configure a local Perl library directory or
escalate your privileges.  CPAN can help you by bootstrapping the local::lib
module or by configuring itself to use 'sudo' (if available).  You may also
resolve this problem manually if you need to customize your setup.

What approach do you want?  (Choose 'local::lib', 'sudo' or 'manual')
 [local::lib]
```

Author: robertkirkman

packages/dpkg/dpkg-perl.subpackage.sh

@@ -8,6 +8,8 @@ termux_step_create_subpkg_debscripts() {
 	#!$TERMUX_PREFIX/bin/bash
 	set -e
 
+	export PERL_MM_USE_DEFAULT=1
+
 	echo "Sideloading Perl Locale::gettext ..."
 	cpan -Ti Locale::gettext
 

packages/intltool/build.sh

@@ -14,6 +14,8 @@ termux_step_create_debscripts()  {
 	#!$TERMUX_PREFIX/bin/bash
 	set -e
 
+	export PERL_MM_USE_DEFAULT=1
+
 	echo "Sideloading Perl XML::Parser..."
 	cpan -Ti XML::Parser
 

packages/perl/build.sh

@@ -11,7 +11,7 @@ TERMUX_PKG_MAINTAINER="@termux"
 # - subversion
 TERMUX_PKG_VERSION=(5.40.3
                     1.6.2)
-TERMUX_PKG_REVISION=1
+TERMUX_PKG_REVISION=2
 TERMUX_PKG_SHA256=(65f63b4763ab6cb9bb3d5731dd10369e1705be3c59be9847d453eb60b349ab43
                    f74ab2a6cacc574c98398ae9d36660b4cc0ba0e3d34e87b24d27b9cd2a27787d)
 TERMUX_PKG_SRCURL=(https://www.cpan.org/src/5.0/perl-${TERMUX_PKG_VERSION[0]}.tar.xz

packages/perl/cpan-force-auto-local-lib.patch

@@ -0,0 +1,10 @@
+--- a/cpan/CPAN/lib/CPAN/FirstTime.pm
++++ b/cpan/CPAN/lib/CPAN/FirstTime.pm
+@@ -904,7 +904,6 @@ sub init {
+     unless ( $matcher
+         || _can_write_to_libdirs() || _using_installbase() || _using_sudo()
+     ) {
+-        local $auto_config = 0; # We *must* ask, even under autoconfig
+         local *_real_prompt;    # We *must* show prompt
+         my_prompt_loop(install_help => 'local::lib', $matcher,
+                    'local::lib|sudo|manual');

packages/sendxmpp/build.sh

@@ -19,6 +19,8 @@ termux_step_create_debscripts()  {
 	#!$TERMUX_PREFIX/bin/bash
 	set -e
 
+	export PERL_MM_USE_DEFAULT=1
+
 	echo "Sideloading Perl Authen::SASL and Net::XMPP ..."
 	cpan -Ti Authen::SASL Net::XMPP
 

x11-packages/xdg-menu/build.sh

@@ -38,6 +38,8 @@ termux_step_create_debscripts()  {
 	#!$TERMUX_PREFIX/bin/bash
 	set -e
 
+	export PERL_MM_USE_DEFAULT=1
+
 	echo "Sideloading Perl XML::Parser..."
 	cpan -Ti XML::Parser
 

x11-packages/xdg-utils/build.sh

@@ -34,6 +34,8 @@ termux_step_create_debscripts() {
 	#!$TERMUX_PREFIX/bin/bash
 	set -e
 
+	export PERL_MM_USE_DEFAULT=1
+
 	echo "Sideloading Perl File::MimeInfo ..."
 	cpan -Ti File::MimeInfo