chore: update repo-metadata and regenerate README from templates

[chingor13]

No description provided.

[codecov]

Codecov Report

Merging #53 into master will decrease coverage by 0.71%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #53      +/-   ##
============================================
- Coverage      76.3%   75.59%   -0.72%     
  Complexity      208      208              
============================================
  Files            12       12              
  Lines          1680     1680              
  Branches         22       10      -12     
============================================
- Hits           1282     1270      -12     
  Misses          352      352              
- Partials         46       58      +12

Impacted Files	Coverage Δ	Complexity Δ
...urityscanner/v1alpha/WebSecurityScannerClient.java	63.59% <0%> (-2.92%)	55% <0%> (ø)
...curityscanner/v1beta/WebSecurityScannerClient.java	63.59% <0%> (-2.92%)	55% <0%> (ø)

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