chore: Update vendor submodules to stable tags and update README

[gudoshnikovn]

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Performance Benchmark

--- Loading Performance (/home/runner/work/libphash/libphash/tests/data/photo.jpeg, 50 iterations) ---
Mode: Grayscale (Fast)
Total time: 0.0378s, Avg: 0.7555ms/load

--- Loading Performance (/home/runner/work/libphash/libphash/tests/data/photo.jpeg, 50 iterations) ---
Mode: RGB (Full)
Total time: 0.0543s, Avg: 1.0856ms/load

--- Hashing Performance (50 iterations) ---
Algorithm       | Total Time   | Avg (ms/op) 
----------------|--------------|--------------
aHash           |     0.0011s |     0.0217ms
dHash           |     0.0012s |     0.0237ms
pHash           |     0.0029s |     0.0582ms
wHash (Fast)    |     0.0017s |     0.0337ms
wHash (Full)    |     0.0395s |     0.7903ms
mHash           |     0.0018s |     0.0368ms
ColorHash       |     0.0555s |     1.1106ms
Radial          |     0.0017s |     0.3352ms (1/10 iter)