[RELEASE] React Native SDK v2.8.0

[cdn34dd]

What does this PR do?

Prepares v2.8.0 release which includes privacy overrides for session replay and some fixes.

What's Changed

• [FIX] Android: Custom Datadog upload options not set correctly and Gradle error by @marco-saia-datadog in [FIX] Android: Custom Datadog upload options not set correctly and Gradle error #879
• RUM-9342 Add FGM ( Fine Grained Masking ) support by @cdn34dd in [RUM-9342] Add FGM ( Fine Grained Masking ) support #860
• [Fix] Dependabot security issue: Formidable relies on hexoid to prevent guessing of filenames for untrusted executable content by @sbarrio in [Fix] Dependabot security issue: Formidable relies on hexoid to prevent guessing of filenames for untrusted executable content  #880
• RUM-9768 Fix deadlock on RCTTextViewRecorder when retrieving a shadow view by @cdn34dd in [RUM-9768] Fix deadlock on RCTTextViewRecorder when retrieving a shadow view #883

Full Changelog: 2.7.1...carlosnogueira/release-v2.8.0

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests
• Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)
• If this PR is auto-generated, please make sure also to manually update the code related to the change

[sbarrio]

👏

[sbarrio]

Maybe we should mention on the change log that the native iOS SDK dependency was bumped to 2.27.0 through the the FGM PR.