Migrate to fontawesome 6

app/views/schedules/_carousel.html.haml

@@ -56,8 +56,8 @@
   %a.left.carousel-control{ href: "#carousel-#{ date }-#{ hrs_per_slide }", |
                             role: "button", |
                             "data-slide" => "prev" }
-    %span.glyphicon.glyphicon-chevron-left
+    %span.fa-solid.fa-chevron-left
   %a.right.carousel-control{ href: "#carousel-#{ date }-#{ hrs_per_slide }", |
                              role: "button", |
                              "data-slide" => "next" }
-    %span.glyphicon.glyphicon-chevron-right
+    %span.fa-solid.fa-chevron-right

app/views/schedules/_event.html.haml

@@ -22,17 +22,17 @@
       = link_to 'more', conference_program_proposal_path(@conference.short_title, event.id) if event.abstract.length > 400
     - if event_schedule.present?
       %span.track
-        %span.fa.fa-clock-o
+        %span.fa-solid.fa-clock
         %span.label{ style: "background-color: grey" }
           = event_schedule.start_time.strftime('%H:%M')
           \-
           = event_schedule.end_time.strftime('%H:%M')
       %span.track
-        %span.fa.fa-map-marker
+        %span.fa-solid.fa-location-dot
         %span.label{ style: "background-color: grey" }
           = event_schedule.room.name
     - if event.track
       %span.track
-        %span.fa.fa-road
+        %span.fa-solid.fa-road
         %span.label{ style: "background-color: #{event.track.color}; color: #{ contrast_color(event.track.color) }" }
           = event.track.name

app/views/schedules/events.html.haml

@@ -29,7 +29,7 @@
             %span{ class: 'date-title', id: "#{ event_schedule.start_time.strftime('%Y-%m-%d') }" }
               = date = event_schedule.start_time.strftime('%Y-%m-%d')
             %a{ title: "Go up", class: "pull-right", href: "#program" }
-              %i{ class: "fa fa-angle-double-up fa-lg", 'aria-hidden' => true }
+              %i{ class: "fa-solid fa-angles-up fa-lg", 'aria-hidden' => true }
       - unless event_schedule.start_time.strftime('%H:%M').eql?(time)
         .col-xs-12.col-md-1
           .start-time
@@ -48,7 +48,7 @@
           %span.date-title#unscheduled
             Unscheduled events
           %a{ title: "Go up", class: "pull-right", href: "#program" }
-            %i{ class: "fa fa-angle-double-up fa-lg", 'aria-hidden' => true }
+            %i{ class: "fa-solid fa-angles-up fa-lg", 'aria-hidden' => true }
       - @unscheduled_events.each do |event|
         .col-xs-12.col-md-12
           .unscheduled-event