Update for incoming ruby openSSL deprecations

Fixes #5031

See above issue for full context, this updates to the latest rubocop requirements for incoming ruby OpenSSL deprecations

Signed-off-by: Nick Schwaderer <nschwaderer@chef.io>

lib/inspec/fetcher/git.rb

@@ -99,7 +99,7 @@ module Inspec::Fetcher
     def cache_key
       return resolved_ref unless @relative_path
 
-      OpenSSL::Digest::SHA256.hexdigest(resolved_ref + @relative_path)
+      OpenSSL::Digest.hexdigest("SHA256", resolved_ref + @relative_path)
     end
 
     def archive_path

lib/inspec/fetcher/local.rb

@@ -104,7 +104,7 @@ module Inspec::Fetcher
       return @archive_shasum if @archive_shasum
       raise(Inspec::FetcherFailure, "Profile dependency local path '#{target}' does not exist") unless File.exist?(target)
 
-      @archive_shasum = OpenSSL::Digest::SHA256.digest(File.read(target)).unpack("H*")[0]
+      @archive_shasum = OpenSSL::Digest.digest("SHA256", File.read(target)).unpack("H*")[0]
     end
 
     def resolved_source

lib/inspec/fetcher/url.rb

@@ -127,7 +127,7 @@ module Inspec::Fetcher
     end
 
     def sha256
-      @archive_shasum ||= OpenSSL::Digest::SHA256.digest(File.read(@archive_path || temp_archive_path)).unpack("H*")[0]
+      @archive_shasum ||= OpenSSL::Digest.digest("SHA256", File.read(@archive_path || temp_archive_path)).unpack("H*")[0]
     end
 
     def file_type_from_remote(remote)

lib/inspec/profile.rb

@@ -559,7 +559,7 @@ module Inspec
       # get all dependency checksums
       deps = Hash[locked_dependencies.list.map { |k, v| [k, v.profile.sha256] }]
 
-      res = OpenSSL::Digest::SHA256.new
+      res = OpenSSL::Digest.new("SHA256")
       files = source_reader.tests.to_a + source_reader.libraries.to_a +
         source_reader.data_files.to_a +
         [["inspec.yml", source_reader.metadata.content]] +

lib/inspec/resources/x509_certificate.rb

@@ -59,7 +59,7 @@ module Inspec::Resources
     def fingerprint
       return if @cert.nil?
 
-      OpenSSL::Digest::SHA1.new(@cert.to_der).to_s
+      OpenSSL::Digest.new("SHA1", @cert.to_der).to_s
     end
 
     def serial