[TryCatchTask] Rectify the logic of the "finally" clause

[malhusseiny]

In a try-catch statement, the "finally" clause must always run before any uncaught exceptions are thrown up the chain of the calling routine.

[codecov]

Codecov Report

Merging #1534 (2974300) into main (e71547c) will increase coverage by 0.06%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main    #1534      +/-   ##
============================================
+ Coverage     55.54%   55.61%   +0.06%     
  Complexity     6909     6909              
============================================
  Files           356      356              
  Lines         16731    16732       +1     
============================================
+ Hits           9293     9305      +12     
+ Misses         7438     7427      -11     

Impacted Files	Coverage Δ	Complexity Δ
src/Phing/Task/System/TryCatchTask.php	96.42% <100.00%> (+18.65%)	13.00 <0.00> (ø)
src/Phing/Task/System/ThrowTask.php	66.66% <0.00%> (+66.66%)	6.00% <0.00%> (ø%)

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