Bump pandas from 0.19 to 0.21, numpy from 1.16 to 1.16.5

[chiragjn]

Closes #354
Closes #406

Part of ML-2337

pandas is only used for reading csv files and nothing more
numpy is just patch fixes for security

[srajdev]

👍 No lint errors found.

[srajdev]

👍 No lint errors found.

[chiragjn]

retest this please

[haptik-deployment]

UNIT TESTS FAILED... Please resolve issues

[codecov]

Codecov Report

Merging #366 (30218f0) into develop (c12bf84) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop     #366      +/-   ##
===========================================
+ Coverage    41.03%   41.05%   +0.01%     
===========================================
  Files           91       91              
  Lines         9430     9432       +2     
===========================================
+ Hits          3870     3872       +2     
  Misses        5560     5560              

Impacted Files	Coverage Δ
...ors/pattern/phone_number/phone_number_detection.py	85.24% <100.00%> (+0.50%)	⬆️

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[haptik-deployment]

UNIT TESTS HAVE PASSED... Good To Merge

[haptik-deployment]

👍 No lint errors found.

[haptik-deployment]

UNIT TESTS HAVE PASSED... Good To Merge

[haptik-deployment]

👍 No lint errors found.

[haptik-deployment]

UNIT TESTS HAVE PASSED... Good To Merge

[haptik-deployment]

👍 No lint errors found.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[haptik-deployment]

UNIT TESTS HAVE PASSED... Good To Merge

[goru001]

Looks good.