feat(manager): limit page size to 100

[yungbender]

Secure Coding Practices Checklist GitHub Link

• https://github.com/RedHatInsights/secure-coding-checklist

Secure Coding Checklist

• Input Validation
• Output Encoding
• Authentication and Password Management
• Session Management
• Access Control
• Cryptographic Practices
• Error Handling and Logging
• Data Protection
• Communication Security
• System Configuration
• Database Security
• File Management
• Memory Management
• General Coding Practices

[jira-linking]

Commits missing Jira IDs:
068307f

[codecov-commenter]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (fd0ec91) 68.47% compared to head (aad4eae) 68.47%.

Files	Patch %	Lines
manager/base.py	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1559      +/-   ##
==========================================
- Coverage   68.47%   68.47%   -0.01%     
==========================================
  Files          53       53              
  Lines        5923     5926       +3     
==========================================
+ Hits         4056     4058       +2     
- Misses       1867     1868       +1     

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