Fix typos: occurrencs -> occurrences, occuring -> occurring

Author: dduugg

lib/query_packwerk/file_cache.rb

@@ -74,7 +74,7 @@ def get_file(file_name)
                                  end
     end
 
-    # Get all occurrencs of the violation's constant in a file
+    # Get all occurrences of the violation's constant in a file
     sig { params(file_name: String, class_name: String).returns(T::Array[RuboCop::AST::Node]) }
     def get_all_const_occurrences(file_name:, class_name:)
       const_key = [file_name, class_name]

lib/query_packwerk/violations.rb

@@ -159,7 +159,7 @@ def sources_with_locations
     end
 
     # Instead of getting all instances of the source, count how often each occurs, with the option to
-    # provide a threshold to remove lower-occuring items.
+    # provide a threshold to remove lower-occurring items.
     sig { params(threshold: Integer).returns(T::Hash[String, T::Hash[String, Integer]]) }
     def source_counts(threshold: 0)
       load_sources!