[Docs] Fix doc links to blob literal and type

[JiangJiaWei1103]

Why are the changes needed?

The doc links to blob literal and type are outdated, so an update is needed for correct references.

What changes were proposed in this pull request?

Fix the doc links based on the new flyte project structure, instead of pointing to the old one.

• Fixed link to blob literal
  

• Fixed link to blob type
  

Check all the applicable boxes

• I updated the documentation accordingly.
• All commits are signed-off.

Docs link

https://flyte--5952.org.readthedocs.build/en/5952/user_guide/data_types_and_io/flytefile.html

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 36.81%. Comparing base (704f8eb) to head (7f316b1).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5952      +/-   ##
==========================================
+ Coverage   34.97%   36.81%   +1.83%     
==========================================
  Files        1144     1310     +166     
  Lines      122240   131032    +8792     
==========================================
+ Hits        42750    48235    +5485     
- Misses      75797    78611    +2814     
- Partials     3693     4186     +493     

Flag	Coverage Δ
unittests-datacatalog	51.58% <ø> (ø)
unittests-flyteadmin	54.04% <ø> (ø)
unittests-flytecopilot	11.73% <ø> (ø)
unittests-flytectl	62.38% <ø> (?)
unittests-flyteidl	6.92% <ø> (ø)
unittests-flyteplugins	53.64% <ø> (ø)
unittests-flytepropeller	42.90% <ø> (ø)
unittests-flytestdlib	55.41% <ø> (ø)

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