Not able to pass Current Date in http_poller request url

[MaverickNyk]

Logstash information:

1. Logstash version logstash:7.12.1
2. Logstash installation source : docker.elastic.co/logstash/logstash:7.12.1
3. How is Logstash being run : docker
4. How was the Logstash Plugin installed

JVM

1. JVM version : openJDK 16.0.1
2. JVM installation source : OS

OS version : Mac OS 11.2

Problem Description:
Getting error while using current date in http_poller URL:

input {
   http_poller {
     urls => {
       urlname_1 => "https://cdn-api.co-vin.in/api/v2/appointment/sessions/public/calendarByDistrict?district_id=1&date=%{+YYYY.MM.dd}"
     }
     request_timeout => 30
     schedule => { every =>"300s"}
     codec => "json"
   }
}

Error Logs:

logstash.inputs.http_poller][main] Registering http_poller Input {:type=>nil, :schedule=>{"every"=>"300s"}, :timeout=>nil}
logstash         | [2021-06-05T11:57:45,463][ERROR][logstash.javapipeline    ][main] Pipeline error {:pipeline_id=>"main", :exception=>#<LogStash::ConfigurationError: Invalid URL https://cdn-api.co-vin.in/api/v2/appointment/sessions/public/calendarByDistrict?district_id=1&date=%{+YYYY.MM.dd}>, :backtrace=>["/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-input-http_poller-5.0.2/lib/logstash/inputs/http_poller.rb:103:in `validate_request!'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-input-http_poller-5.0.2/lib/logstash/inputs/http_poller.rb:95:in `normalize_request'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-input-http_poller-5.0.2/lib/logstash/inputs/http_poller.rb:55:in `block in setup_requests!'", "org/jruby/RubyHash.java:1415:in `each'", "org/jruby/RubyEnumerable.java:886:in `map'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-input-http_poller-5.0.2/lib/logstash/inputs/http_poller.rb:55:in `setup_requests!'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-input-http_poller-5.0.2/lib/logstash/inputs/http_poller.rb:45:in `register'", "/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:228:in `block in register_plugins'", "org/jruby/RubyArray.java:1809:in `each'", "/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:227:in `register_plugins'", "/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:386:in `start_inputs'", "/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:311:in `start_workers'", "/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:185:in `run'", "/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:137:in `block in start'"], "pipeline.sources"=>["/usr/share/logstash/pipeline/logstash.conf"], :thread=>"#<Thread:0x1db629bf run>"}
logstash         | [2021-06-05T11:57:45,465][INFO ][logstash.javapipeline    ][main] Pipeline terminated {"pipeline.id"=>"main"}
logstash         | [2021-06-05T11:57:45,477][ERROR][logstash.agent           ] Failed to execute action {:id=>:main, :action_type=>LogStash::ConvergeResult::FailedAction, :message=>"Could not execute action: PipelineAction::Create<main>, action_result: false", :backtrace=>nil}
logstash         | [2021-06-05T11:57:45,532][INFO ][logstash.runner          ] Logstash shut down.