Dependency injection should be used instead of \Drupal calls

Problem/Motivation

vendor/bin/phpcs --standard=Drupal,DrupalPractice --extensions=php,module,inc,install,test,profile,theme,css,info,txt,md,yml /var/www/html/drupal_cms/drupal9/web/modules/contrib/ipma_weather/

FILE: /var/www/html/drupal_cms/drupal9/web/modules/contrib/ipma_weather/src/Plugin/Block/IpmaWeather.php
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FOUND 3 ERRORS AND 2 WARNINGS AFFECTING 4 LINES
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 239 | WARNING | [ ] \Drupal calls should be avoided in classes, use dependency injection instead
 249 | ERROR   | [x] Concat operator must be surrounded by a single space
 249 | ERROR   | [x] Concat operator must be surrounded by a single space
 285 | ERROR   | [x] Expected 1 space after IF keyword; 0 found
 286 | WARNING | [ ] Only string literals should be passed to t() where possible
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PHPCBF CAN FIX THE 3 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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Time: 135ms; Memory: 12MB