Bump leaflet-rails from 1.0.3 to 1.5.1

Bumps [leaflet-rails](https://github.com/axyjo/leaflet-rails) from 1.0.3 to 1.5.1.
- [Release notes](https://github.com/axyjo/leaflet-rails/releases)
- [Commits](axyjo/leaflet-rails@v1.0.3...v1.5.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

Gemfile.lock

@@ -48,7 +48,7 @@ GEM
     bourbon (4.2.7)
       sass (~> 3.4)
       thor (~> 0.19)
-    builder (3.2.3)
+    builder (3.2.4)
     bullet (6.0.1)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
@@ -78,7 +78,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.6)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     crass (1.0.6)
@@ -127,7 +127,7 @@ GEM
     json (2.2.0)
     launchy (2.4.3)
       addressable (~> 2.3)
-    leaflet-rails (1.0.3)
+    leaflet-rails (1.5.1)
       rails (>= 4.2.0)
     loofah (2.4.0)
       crass (~> 1.0.2)
@@ -137,7 +137,7 @@ GEM
     method_source (0.9.2)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.14.0)
     multipart-post (2.1.1)
     neat (1.7.4)
       bourbon (>= 4.0)
@@ -185,14 +185,14 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.2.0)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     railties (4.2.11.1)
       actionpack (= 4.2.11.1)
       activesupport (= 4.2.11.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.3)
+    rake (13.0.1)
     recipient_interceptor (0.2.0)
       mail
     refills (0.2.0)
@@ -253,7 +253,7 @@ GEM
     title (0.0.7)
       i18n
       rails (>= 3.1)
-    tzinfo (1.2.5)
+    tzinfo (1.2.6)
       thread_safe (~> 0.1)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)