Refactor StateManager to use the new client.

[withinboredom]

Description

Transparently replace the StateManager with a new class that uses the new client.

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to
implementation.

Please reference the issue this PR: #36

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Tests pass
• Created/updated tests
• Extended the documentation

[codecov-commenter]

Codecov Report

Merging #101 (0dc2156) into main (f87e3d3) will increase coverage by 0.53%.
The diff coverage is 57.18%.

❗ Current head 0dc2156 differs from pull request most recent head f529e42. Consider uploading reports for the commit f529e42 to get more accurate results

@@             Coverage Diff              @@
##               main     #101      +/-   ##
============================================
+ Coverage     68.17%   68.71%   +0.53%     
- Complexity      458      494      +36     
============================================
  Files            59       63       +4     
  Lines          1697     1819     +122     
============================================
+ Hits           1157     1250      +93     
- Misses          540      569      +29     

Impacted Files	Coverage Δ
src/index.php	0.00% <0.00%> (ø)
src/lib/Client/DaprClient.php	53.84% <ø> (ø)
src/lib/Client/DaprHttpClient.php	84.61% <ø> (ø)
src/lib/Client/HttpInvokeTrait.php	0.00% <0.00%> (ø)
src/lib/State/StateManagerOld.php	0.00% <0.00%> (ø)
src/lib/State/TransactionalStateOld.php	0.00% <0.00%> (ø)
src/lib/State/TransactionalState.php	92.06% <92.06%> (-2.39%)	⬇️
src/lib/State/StateManager.php	98.21% <98.21%> (+1.44%)	⬆️
src/config.php	100.00% <100.00%> (ø)
src/lib/Client/DeleteTransactionRequest.php	100.00% <100.00%> (ø)
... and 8 more

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