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] <[email protected]>

Gemfile.lock

@@ -108,7 +108,7 @@ GEM
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
     concurrent-ruby (1.2.3)
-    contracts (0.17)
+    contracts (0.16.1)
     crack (1.0.0)
       bigdecimal
       rexml
@@ -245,26 +245,26 @@ GEM
       mixlib-shellout
     memoist (0.16.2)
     method_source (1.0.0)
-    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 (= 4.5.1)
+      middleman-core (= 4.5.1)
     middleman-autoprefixer (2.10.0)
       autoprefixer-rails (>= 9.1.4)
       middleman-core (>= 3.3.3)
-    middleman-cli (4.5.0)
-      thor (>= 0.17.0, < 2.0)
+    middleman-cli (4.5.1)
+      thor (>= 0.17.0, < 1.3.0)
     middleman-compass (4.0.1)
       compass (>= 1.0.0, < 2.0.0)
       middleman-core (>= 4.0.0)
-    middleman-core (4.5.0)
+    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)
@@ -678,7 +678,7 @@ GEM
       sprockets (>= 3.0.0)
     statsd-ruby (1.5.0)
     temple (0.10.3)
-    thor (1.3.1)
+    thor (1.2.2)
     tilt (2.0.11)
     timeout (0.4.1)
     toml (0.3.0)