Update strapi-admin Polish language translations

[Webnatural]

What does it do?

Adds missing translations and corrects existing.

Why is it needed?

To prevent mixed language content while using admin interface in Polish language.

[strapi-cla]

All committers have signed the CLA.

[codecov]

Codecov Report

Merging #10198 (fd71200) into master (89bcbb1) will decrease coverage by 2.20%.
The diff coverage is n/a.

❗ Current head fd71200 differs from pull request most recent head 2d0529b. Consider uploading reports for the commit 2d0529b to get more accurate results

@@            Coverage Diff             @@
##           master   #10198      +/-   ##
==========================================
- Coverage   60.06%   57.86%   -2.21%     
==========================================
  Files         183      183              
  Lines        5702     6348     +646     
  Branches     1077     1392     +315     
==========================================
+ Hits         3425     3673     +248     
- Misses       1817     2215     +398     
  Partials      460      460              

Flag	Coverage Δ
front	?
unit	57.86% <ø> (-2.21%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...t-type-builder/controllers/validation/relations.js	38.88% <0.00%> (-11.12%)	⬇️
...ges/strapi/lib/core-api/service/collection-type.js	27.58% <0.00%> (-10.51%)	⬇️
packages/strapi-utils/lib/parse-type.js	81.13% <0.00%> (-9.57%)	⬇️
...ckages/strapi-database/lib/queries/create-query.js	43.33% <0.00%> (-8.67%)	⬇️
...ackages/strapi-utils/lib/template-configuration.js	33.33% <0.00%> (-8.34%)	⬇️
...tent-manager/services/utils/configuration/index.js	33.33% <0.00%> (-8.34%)	⬇️
...ntent-type-builder/controllers/validation/types.js	46.26% <0.00%> (-8.28%)	⬇️
packages/strapi-generate/lib/util.js	10.52% <0.00%> (-7.66%)	⬇️
...pi-plugin-content-type-builder/utils/attributes.js	25.75% <0.00%> (-7.58%)	⬇️
...strapi-plugin-upload/config/functions/bootstrap.js	53.33% <0.00%> (-6.67%)	⬇️
... and 98 more

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