Update jekyll and deps

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:3.0
+FROM ruby:3.2
 
 ENV LC_ALL C.UTF-8
 ENV LANG en_US.UTF-8

_sass/navigation.scss

@@ -67,19 +67,19 @@
       }
       width: $nav-list-item-height-sm;
       height: $nav-list-item-height-sm;
-      padding-top: #{$nav-list-item-height-sm / 4};
-      padding-right: #{$nav-list-item-height-sm / 4};
-      padding-bottom: #{$nav-list-item-height-sm / 4};
-      padding-left: #{$nav-list-item-height-sm / 4};
+      padding-top: calc($nav-list-item-height-sm / 4);
+      padding-right: calc($nav-list-item-height-sm / 4);
+      padding-bottom: calc($nav-list-item-height-sm / 4);
+      padding-left: calc($nav-list-item-height-sm / 4);
       color: $link-color;
 
       @include mq(md) {
         width: $nav-list-item-height;
         height: $nav-list-item-height;
-        padding-top: #{$nav-list-item-height / 4};
-        padding-right: #{$nav-list-item-height / 4};
-        padding-bottom: #{$nav-list-item-height / 4};
-        padding-left: #{$nav-list-item-height / 4};
+        padding-top: calc($nav-list-item-height / 4);
+        padding-right: calc($nav-list-item-height / 4);
+        padding-bottom: calc($nav-list-item-height / 4);
+        padding-left: calc($nav-list-item-height / 4);
       }
 
       &:hover {

_sass/search.scss

@@ -8,7 +8,7 @@
   flex-grow: 1;
   height: $sp-10;
   padding: $sp-2;
-  transition: padding linear #{$transition-duration / 2};
+  transition: padding linear calc($transition-duration / 2);
 
   @include mq(md) {
     position: relative !important;
@@ -26,7 +26,7 @@
   overflow: hidden;
   border-radius: $border-radius;
   box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12), 0 3px 10px rgba(0, 0, 0, 0.08);
-  transition: height linear #{$transition-duration / 2};
+  transition: height linear calc($transition-duration / 2);
 
   @include mq(md) {
     position: absolute;
@@ -62,7 +62,7 @@
     padding-left: #{$gutter-spacing + $sp-5};
     font-size: 14px;
     background-color: $body-background-color;
-    transition: padding-left linear #{$transition-duration / 2};
+    transition: padding-left linear calc($transition-duration / 2);
   }
 
   &:focus {
@@ -82,7 +82,7 @@
 
   @include mq(md) {
     padding-left: $gutter-spacing;
-    transition: padding-left linear #{$transition-duration / 2};
+    transition: padding-left linear calc($transition-duration / 2);
   }
 
   .search-icon {
@@ -241,7 +241,7 @@
   height: $sp-9;
   background-color: $search-background-color;
   border: 1px solid rgba($link-color, 0.3);
-  border-radius: #{$sp-9 / 2};
+  border-radius: calc($sp-9 / 2);
   box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12), 0 3px 10px rgba(0, 0, 0, 0.08);
   align-items: center;
   justify-content: center;

_sass/support/_functions.scss

@@ -1,5 +1,5 @@
 @function rem($size, $unit: "") {
-  $remSize: $size / $root-font-size;
+  $remSize: calc($size / $root-font-size);
 
   @if ($unit == false) {
     @return #{$remSize};

fni-docs-theme.gemspec

@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |spec|
   spec.name          = "fni-docs-theme"
-  spec.version       = "0.6.1"
+  spec.version       = "0.6.2"
   spec.authors       = ["Patrick Marsceill", "Ken Hill"]
   spec.email         = ["[email protected]", "[email protected]"]
 
@@ -16,10 +16,10 @@ Gem::Specification.new do |spec|
   spec.executables   << 'just-the-docs'
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 2.3.5"
-  spec.add_runtime_dependency "jekyll", "~> 4.2.0"
-  spec.add_runtime_dependency "jekyll-include-cache", "~> 0.2.1"
+  spec.add_development_dependency "bundler", "~> 2.4"
+  spec.add_runtime_dependency "jekyll", "~> 4.3"
+  spec.add_runtime_dependency "jekyll-include-cache", "~> 0.2"
   spec.add_runtime_dependency "rake", ">= 12.3.1", "< 13.1.0"
-  spec.add_runtime_dependency "webrick", "~> 1.7"
-  spec.add_runtime_dependency "digest", "~> 3.0"
+  spec.add_runtime_dependency "webrick", "~> 1.8"
+  spec.add_runtime_dependency "digest", "~> 3.1"
 end