Remove verbose data from #inspect result

[st0012]

This PR removes some lengthy data from Event, Configuration, and SingleExceptionInterface's #inspect method. (SingleExceptionInterface is usually included in Event's inspect result, so it's important to keep it simple too).

Removing those data will make inspecting those objects easier and help debug or report the SDK issues.

Example

event = Sentry.capture_message("foo")
event.inspect.length

Before

52024 (too long so skip pasting)

After

2905

#<Sentry::Event @event_id="9a85bad59bb64044a2e99679c3adc618", @timestamp="2021-11-05T18:37:15Z", @platform=:ruby, @sdk={"name"=>"sentry.ruby", "version"=>"4.7.3"}, 
@user={}, @extra={}, @contexts={:os=>{:name=>"Darwin", :version=>"Darwin Kernel Version 20.6.0: Wed Jun 23 00:26:27 PDT 2021; root:xnu-7195.141.2~5/RELEASE_ARM64_T8101", :build=>"20.6.0", :kernel_version=>"Darwin Kernel Version 20.6.0: Wed Jun 23 00:26:27 PDT 2021; root:xnu-7195.141.2~5/RELEASE_ARM64_T8101"}, :runtime=>{:name=>"ruby", :version=>"ruby 2.7.4p191 (2021-07-07 revision a21a3b7d23) [x86_64-darwin20]"}}, @tags={}, @fingerprint=[], @server_name="Stans-MBPR-2.local", @environment="development", @release="fix-#1600\n", @message="foo", @level=:error, @threads=#<Sentry::ThreadsInterface:0x00007fb9245de0a0 @id=5340, @name=nil, @current=true, @crashed=false, @stacktrace=[
"bin/rails:9", "bootsnap (1.9.0) lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31", "bootsnap (1.9.0) lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22", "bootsnap (1.9.0) lib/bootsnap/load_path_cache/loaded_features_index.rb:92", 
"bootsnap (1.9.0) lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23", "bootsnap (1.9.0) lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23", 
"railties (6.1.4.1) lib/rails/commands.rb:18", "railties (6.1.4.1) lib/rails/command.rb:48", "railties (6.1.4.1) lib/rails/command/base.rb:69", 
"thor (1.1.0) lib/thor.rb:392", "thor (1.1.0) lib/thor/invocation.rb:127", "thor (1.1.0) lib/thor/command.rb:27", "railties (6.1.4.1) lib/rails/commands/console/console_command.rb:102", "railties (6.1.4.1) lib/rails/commands/console/console_command.rb:19", 
"railties (6.1.4.1) lib/rails/commands/console/console_command.rb:70", "irb (1.3.7) lib/irb.rb:409", "irb (1.3.7) lib/irb.rb:480", "irb (1.3.7) lib/irb.rb:480", "irb (1.3.7) lib/irb.rb:481", "irb (1.3.7) lib/irb.rb:547", "irb (1.3.7) lib/irb/ruby-lex.rb:247", "irb (1.3.7) lib/irb/ruby-lex.rb:247", 
"irb (1.3.7) lib/irb/ruby-lex.rb:248", "irb (1.3.7) lib/irb/ruby-lex.rb:248", "irb (1.3.7) lib/irb/ruby-lex.rb:266", "irb (1.3.7) lib/irb.rb:548", "irb (1.3.7) lib/irb.rb:758", "irb (1.3.7) lib/irb.rb:567", "irb (1.3.7) lib/irb/context.rb:450", "irb (1.3.7) lib/irb/workspace.rb:116", "irb (1.3.7) lib/irb/workspace.rb:116", "(irb):2", "sentry-ruby.rb:206", "sentry/hub.rb:114"]>, 
@breadcrumbs=#<Sentry::BreadcrumbBuffer:0x00007fb9245ddee8 @buffer=[nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil]>>

Closes #1600

[codecov-commenter]

Codecov Report

Merging #1602 (ec291c5) into master (1bf154e) will increase coverage by 0.03%.
The diff coverage is 94.28%.

@@            Coverage Diff             @@
##           master    #1602      +/-   ##
==========================================
+ Coverage   98.43%   98.46%   +0.03%     
==========================================
  Files         130      131       +1     
  Lines        7223     7242      +19     
==========================================
+ Hits         7110     7131      +21     
+ Misses        113      111       -2     

Impacted Files	Coverage Δ
sentry-ruby/lib/sentry/interfaces/stacktrace.rb	95.55% <50.00%> (-4.45%)	⬇️
sentry-ruby/lib/sentry/configuration.rb	98.39% <100.00%> (+0.02%)	⬆️
sentry-ruby/lib/sentry/event.rb	100.00% <100.00%> (ø)
...try-ruby/lib/sentry/interfaces/single_exception.rb	100.00% <100.00%> (ø)
sentry-ruby/lib/sentry/utils/custom_inspection.rb	100.00% <100.00%> (ø)
sentry-ruby/spec/sentry/event_spec.rb	100.00% <100.00%> (ø)
sentry-resque/lib/sentry/resque.rb	100.00% <0.00%> (ø)
sentry-rails/lib/sentry/rails/configuration.rb	100.00% <0.00%> (+3.84%)	⬆️
sentry-ruby/lib/sentry/breadcrumb.rb	100.00% <0.00%> (+4.34%)	⬆️
...ntry/rails/tracing/action_controller_subscriber.rb	94.44% <0.00%> (+4.97%)	⬆️
... and 1 more

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