facter: Add missing base64 gem (#406461)

pkgs/by-name/fa/facter/Gemfile

@@ -3,3 +3,5 @@
 source "https://rubygems.org"
 
 gem "facter"
+
+gem "base64", "~> 0.2.0"

pkgs/by-name/fa/facter/Gemfile.lock

@@ -1,6 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    base64 (0.2.0)
     facter (4.10.0)
       hocon (~> 1.3)
       thor (>= 1.0.1, < 1.3)
@@ -11,7 +12,8 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  base64 (~> 0.2.0)
   facter
 
 BUNDLED WITH
-   2.5.16
+   2.6.6

pkgs/by-name/fa/facter/gemset.nix

@@ -1,4 +1,14 @@
 {
+  base64 = {
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "01qml0yilb9basf7is2614skjp8384h2pycfx86cr8023arfj98g";
+      type = "gem";
+    };
+    version = "0.2.0";
+  };
   facter = {
     dependencies = [
       "hocon"