Add Ordered interface to MessageProducerManager and Injector SPI

[nobodyiam]

What's the purpose of this PR

Add Ordered interface to MessageProducerManager and Injector SPI

Which issue(s) this PR fixes:

Fixes apolloconfig/apollo#4699

Brief changelog

• Add Ordered interface to MessageProducerManager and Injector SPI
• Deprecate ServiceBootstrap.loadFirst method

Follow this checklist to help us incorporate your contribution quickly and easily:

• Read the Contributing Guide before making this pull request.
• Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• Write necessary unit tests to verify the code.
• Run mvn clean test to make sure this pull request doesn't break anything.
• Update the CHANGES log.

[codecov]

Codecov Report

Merging #15 (62412e1) into main (f34c30c) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main      #15      +/-   ##
============================================
+ Coverage     68.24%   68.25%   +0.01%     
- Complexity     1177     1179       +2     
============================================
  Files           165      167       +2     
  Lines          5123     5125       +2     
  Branches        560      560              
============================================
+ Hits           3496     3498       +2     
  Misses         1365     1365              
  Partials        262      262              

Impacted Files	Coverage Δ
...amework/foundation/internals/ServiceBootstrap.java	94.11% <ø> (ø)
...m/ctrip/framework/apollo/build/ApolloInjector.java	40.90% <100.00%> (ø)
...com/ctrip/framework/apollo/internals/Injector.java	100.00% <100.00%> (ø)
...java/com/ctrip/framework/apollo/tracer/Tracer.java	87.50% <100.00%> (ø)
...work/apollo/tracer/spi/MessageProducerManager.java	100.00% <100.00%> (ø)

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