*: update requirements.txt with package versions compatible for Lanka

Author: Rohan Yadav

requirements.txt

@@ -1,17 +1,22 @@
 attrs==20.3.0
+importlib-metadata==3.7.3
 iniconfig==1.1.1
-llvmlite==0.34.0
-numba==0.51.2
-numpy==1.20.1
+llvmlite==0.36.0
+numba==0.53.0
+numpy==1.19.5
+opencv-python==4.5.1.48
 packaging==20.9
+pkg-resources==0.0.0
 pluggy==0.13.1
 py==1.10.0
 py-cpuinfo==7.0.0
 pyparsing==2.4.7
 pytest==6.2.2
 pytest-benchmark==3.2.3
 pytest-csv==2.0.2
-scipy==1.6.0
+scipy==1.5.4
+six==1.15.0
 sparse==0.11.2
 toml==0.10.2
-opencv-python==4.5.1.48
+typing-extensions==3.7.4.3
+zipp==3.4.1