[PM-14381] Add POST /tasks/bulk-create endpoint

[gbubemismith]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-14381

📔 Objective

Admin endpoint to bulk create new tasks on the Access Intelligence page. Should accept a list of CipherIdsand the TaskType.

📸 Screenshots

⏰ Reminders before review

• Contributor guidelines followed
• All formatters and local linters executed and passed
• Written new unit and / or integration tests where applicable
• Protected functional changes with optionality (feature flags)
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation (Confluence, contributing docs) or informed the documentation team

🦮 Reviewer guidelines

• 👍 (:+1:) or similar for great changes
• 📝 (:memo:) or ℹ️ (:information_source:) for notes or general info
• ❓ (:question:) for questions
• 🤔 (:thinking:) or 💭 (:thought_balloon:) for more open inquiry that's not quite a confirmed issue and could potentially benefit from discussion
• 🎨 (:art:) for suggestions / improvements
• ❌ (:x:) or ⚠️ (:warning:) for more significant problems or concerns needing attention
• 🌱 (:seedling:) or ♻️ (:recycle:) for future improvements or indications of technical debt
• ⛏ (:pick:) for minor or nitpick changes

[codecov]

Codecov Report

Attention: Patch coverage is 38.29787% with 58 lines in your changes missing coverage. Please review.

Project coverage is 43.22%. Comparing base (9cef90b) to head (72b121d).

Files with missing lines	Patch %	Lines
...apper/Vault/Repositories/SecurityTaskRepository.cs	0.00%	17 Missing ⚠️
src/Infrastructure.Dapper/DapperHelpers.cs	0.00%	16 Missing ⚠️
...ework/Vault/Repositories/SecurityTaskRepository.cs	0.00%	16 Missing ⚠️
...rc/Api/Vault/Controllers/SecurityTaskController.cs	0.00%	8 Missing ⚠️
...els/Request/BulkCreateSecurityTasksRequestModel.cs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@                              Coverage Diff                              @@
##           vault/pm-14378/security-task-auth-handler    #5188      +/-   ##
=============================================================================
- Coverage                                      43.23%   43.22%   -0.01%     
=============================================================================
  Files                                           1457     1460       +3     
  Lines                                          66507    66600      +93     
  Branches                                        6099     6111      +12     
=============================================================================
+ Hits                                           28753    28789      +36     
- Misses                                         36458    36515      +57     
  Partials                                        1296     1296              

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[github-actions]

Checkmarx One – Scan Summary & Details – 3f485063-2852-4047-8e26-29fa31f9bd8e

New Issues

Severity	Issue	Source File / Package	Checkmarx Insight
	CSRF	/src/Api/AdminConsole/Controllers/PoliciesController.cs: 70	Attack Vector
	CSRF	/src/Api/Billing/Controllers/OrganizationsController.cs: 52	Attack Vector
	CSRF	/src/Billing/Controllers/RecoveryController.cs: 38	Attack Vector
	CSRF	/src/Billing/Controllers/StripeController.cs: 164	Attack Vector
	CSRF	/src/Api/AdminConsole/Controllers/PoliciesController.cs: 91	Attack Vector
	CSRF	/src/Api/Auth/Controllers/AccountsController.cs: 470	Attack Vector
	CVE-2024-6531	Npm-bootstrap-5.3.3	Vulnerable Package

Fixed Issues

Severity	Issue	Source File / Package
	CSRF	/src/Billing/Controllers/PayPalController.cs: 66
	Missing_CSP_Header	/src/Core/MailTemplates/Handlebars/AdminConsole/DomainClaimedByOrganization.html.hbs: 5

[gbubemismith]

This PR will be retargeted to main after #5039 merges.