Rename new property to channel_refresh_interval

Follow indications :
https://github.com/iv-org/invidious/pull/2915#discussion_r811373503

config/config.example.yml

@@ -320,7 +320,7 @@ channel_threads: 1
 ## Accepted values: a valid time interval (hours:min:seconds)
 ## Default: 00:30:00
 ##
-channel_refresh_time: 00:30:00
+channel_refresh_interval: 00:30:00
 
 ##
 ## Forcefully dump and re-download the entire list of uploaded

docker-compose.yml

@@ -25,7 +25,7 @@ services:
       INVIDIOUS_CONFIG: |
         log_level: Info
         channel_threads: 1
-        channel_refresh_time: 00:30:00
+        channel_refresh_interval: 00:30:00
         check_tables: true
         feed_threads: 1
         db:

src/invidious/config.cr

@@ -58,7 +58,7 @@ class Config
 
   property channel_threads : Int32 = 1 # Number of threads to use for crawling videos from channels (for updating subscriptions)
   @[YAML::Field(converter: TimeSpanConverter)]
-  property channel_refresh_time : Time::Span = 30.minutes # Time between two jobs for crawling videos from channels
+  property channel_refresh_interval : Time::Span = 30.minutes # Time between two jobs for crawling videos from channels
   property feed_threads : Int32 = 1                       # Number of threads to use for updating feeds
   property output : String = "STDOUT"                     # Log file path or STDOUT
   property log_level : LogLevel = LogLevel::Info          # Default log level, valid YAML values are ints and strings, see src/invidious/helpers/logger.cr

src/invidious/jobs/refresh_channels_job.cr

@@ -58,8 +58,8 @@ class Invidious::Jobs::RefreshChannelsJob < Invidious::Jobs::BaseJob
         end
       end
 
-      LOGGER.debug("RefreshChannelsJob: Done, sleeping for #{CONFIG.channel_refresh_time}")
-      sleep CONFIG.channel_refresh_time
+      LOGGER.debug("RefreshChannelsJob: Done, sleeping for #{CONFIG.channel_refresh_interval}")
+      sleep CONFIG.channel_refresh_interval
       Fiber.yield
     end
   end