Bump middleman from 4.5.0 to 4.5.1

Bumps [middleman](https://github.com/middleman/middleman) from 4.5.0 to 4.5.1.
- [Changelog](https://github.com/middleman/middleman/blob/main/CHANGELOG.md)
- [Commits](https://github.com/middleman/middleman/commits)

---
updated-dependencies:
- dependency-name: middleman
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.0.7.2)
+    activesupport (7.0.8)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
@@ -16,18 +16,18 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.2.2)
-    contracts (0.17)
+    contracts (0.16.1)
     dotenv (2.8.1)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     erubis (2.7.0)
     eventmachine (1.2.7)
-    execjs (2.8.1)
+    execjs (2.9.1)
     fast_blank (1.0.1)
     fastimage (2.2.7)
-    ffi (1.15.5)
-    haml (6.1.1)
+    ffi (1.16.3)
+    haml (6.2.3)
       temple (>= 0.8.2)
       thor
       tilt
@@ -46,20 +46,20 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     memoist (0.16.2)
-    middleman (4.5.0)
+    middleman (4.5.1)
       coffee-script (~> 2.2)
       haml (>= 4.0.5)
       kramdown (>= 2.3.0)
-      middleman-cli (= 4.5.0)
-      middleman-core (= 4.5.0)
-    middleman-cli (4.5.0)
-      thor (>= 0.17.0, < 2.0)
-    middleman-core (4.5.0)
+      middleman-cli (= 4.5.1)
+      middleman-core (= 4.5.1)
+    middleman-cli (4.5.1)
+      thor (>= 0.17.0, < 1.3.0)
+    middleman-core (4.5.1)
       activesupport (>= 6.1, < 7.1)
       addressable (~> 2.4)
       backports (~> 3.6)
       bundler (~> 2.0)
-      contracts (~> 0.13)
+      contracts (~> 0.13, < 0.17)
       dotenv
       erubis
       execjs (~> 2.0)
@@ -83,7 +83,7 @@ GEM
       em-websocket (~> 0.5.1)
       middleman-core (>= 3.3)
       rack-livereload (~> 0.3.15)
-    minitest (5.19.0)
+    minitest (5.20.0)
     overcommit (0.60.0)
       childprocess (>= 0.6.3, < 5)
       iniparse (~> 1.4)
@@ -98,7 +98,7 @@ GEM
       ast (~> 2.4.1)
       racc
     parslet (2.0.0)
-    public_suffix (5.0.3)
+    public_suffix (5.0.4)
     racc (1.7.1)
     rack (2.2.8)
     rack-livereload (0.3.17)
@@ -126,7 +126,7 @@ GEM
     sassc (2.4.0)
       ffi (~> 1.9)
     servolux (0.13.0)
-    temple (0.10.2)
+    temple (0.10.3)
     thor (1.2.2)
     tilt (2.0.11)
     toml (0.3.0)