Bump contracts from 0.16.1 to 0.17.2

Bumps [contracts](https://github.com/egonSchiele/contracts.ruby) from 0.16.1 to 0.17.2.
- [Changelog](https://github.com/egonSchiele/contracts.ruby/blob/master/CHANGELOG.markdown)
- [Commits](egonSchiele/contracts.ruby@v0.16.1...v0.17.2)

---
updated-dependencies:
- dependency-name: contracts
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -42,7 +42,6 @@ GEM
       aws-sigv4 (~> 1.5)
     aws-sigv4 (1.11.0)
       aws-eventstream (~> 1, >= 1.0.2)
-    backports (3.25.0)
     base64 (0.2.0)
     bigdecimal (3.1.9)
     coffee-script (2.4.1)
@@ -54,12 +53,12 @@ GEM
       fiber-annotation
       fiber-local (~> 1.1)
       json
-    contracts (0.16.1)
+    contracts (0.17.2)
     dotenv (3.1.7)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
-    erubis (2.7.0)
+    erubi (1.13.1)
     ethon (0.16.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
@@ -112,41 +111,41 @@ GEM
     logger (1.6.6)
     memoist (0.16.2)
     metrics (0.12.1)
-    middleman (4.5.1)
-      coffee-script (~> 2.2)
-      haml (>= 4.0.5)
-      kramdown (>= 2.3.0)
-      middleman-cli (= 4.5.1)
-      middleman-core (= 4.5.1)
+    middleman (4.6.0)
+      middleman-cli (= 4.6.0)
+      middleman-core (= 4.6.0)
     middleman-autoprefixer (3.0.0)
       autoprefixer-rails (~> 10.0)
       middleman-core (>= 4.0.0)
-    middleman-cli (4.5.1)
+    middleman-cli (4.6.0)
       thor (>= 0.17.0, < 1.3.0)
-    middleman-core (4.5.1)
-      activesupport (>= 6.1, < 7.1)
+    middleman-core (4.6.0)
+      activesupport (>= 6.1)
       addressable (~> 2.4)
-      backports (~> 3.6)
       bundler (~> 2.0)
-      contracts (~> 0.13, < 0.17)
+      coffee-script (~> 2.2)
+      contracts
       dotenv
-      erubis
+      erubi
       execjs (~> 2.0)
       fast_blank
       fastimage (~> 2.0)
+      haml (>= 4.0.5)
       hamster (~> 3.0)
-      hashie (~> 3.4)
-      i18n (~> 1.6.0)
+      hashie (>= 3.4, < 6.0)
+      i18n (>= 1.6, < 1.15)
+      kramdown (~> 2.4)
       listen (~> 3.0)
       memoist (~> 0.14)
       padrino-helpers (~> 0.15.0)
       parallel
-      rack (>= 1.4.5, < 3)
+      rack (>= 3)
+      rackup
       sassc (~> 2.0)
       servolux
-      tilt (~> 2.0.9)
+      tilt (~> 2.2)
       toml
-      uglifier (~> 3.0)
+      uglifier (>= 3, < 5)
       webrick
     middleman-gh-pages (0.4.1)
       rake (> 0.9.3)
@@ -189,9 +188,11 @@ GEM
       ttfunk
     public_suffix (6.0.1)
     racc (1.8.1)
-    rack (2.2.12)
+    rack (3.1.11)
     rack-livereload (0.3.17)
       rack
+    rackup (2.2.1)
+      rack (>= 3)
     rainbow (3.1.1)
     rake (13.2.1)
     rb-fsevent (0.11.2)
@@ -216,12 +217,12 @@ GEM
     sassc-embedded (1.80.4)
       sass-embedded (~> 1.80)
     servolux (0.13.0)
-    sprockets (3.7.2)
+    sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
+      rack (>= 2.2.4, < 4)
     temple (0.10.3)
     thor (1.2.2)
-    tilt (2.0.11)
+    tilt (2.6.0)
     toml (0.3.0)
       parslet (>= 1.8.0, < 3.0.0)
     traces (0.15.2)