[deps]: Update slackapi/slack-github-action action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
slackapi/slack-github-action	action	major	v3.0.1 → v4.0.0

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Release Notes

slackapi/slack-github-action (slackapi/slack-github-action)

v4.0.0: Slack GitHub Action v4.0.0

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Major Changes

• b1974f0: build: parse yaml with more strict multiline indentation rules

  Internal dependencies of js-yaml@v5 make YAML parsing more strict and compliant with the YAML specification. Indentation is now required for values that span multiple lines against the base value.

  See the YAML line prefixes spec for the expected indentation rule:

    channel: "C0123"
    text: "first line
  
  - second line"
  +   second line"

Patch Changes

• 654bb72: chore: provide global fetch proxied configurations with updates to web api and webhook packages

v4.0

Compare Source

v4

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v3.0.5: Slack GitHub Action v3.0.5

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Patch Changes

• 96fddbe: fix: revert multiline yaml parsing indentation change

v3.0.4: Slack GitHub Action v3.0.4

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Patch Changes

• fa03fe4: refactor: send webhooks with the @slack/webhook package

v3.0.3: Slack GitHub Action v3.0.3

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Patch Changes

• 66834e4: feat: add instrumentation to address error rates

v3.0.2: Slack GitHub Action v3.0.2

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Patch Changes

• 79529d7: fix: resolve url.parse deprecation warning for webhook techniques

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[bitwarden-bot]

Internal tracking:

• ID: PM-42063
• Link: https://bitwarden.atlassian.net/browse/PM-42063

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.75%. Comparing base (6ff6dbe) to head (da638fa).

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2971       +/-   ##
===========================================
+ Coverage   39.58%   81.75%   +42.16%     
===========================================
  Files         363     1049      +686     
  Lines       17106    67859    +50753     
===========================================
+ Hits         6772    55475    +48703     
- Misses      10334    12384     +2050     

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