[full-ci] chore: bump reva to 2.50.0

[v-scharf]

• bump opencloud version to 8.0.0
• reva bump 2.50.0

✨ Features

• Add support for mail grantees [#785]

🐛 Bug Fixes

• feat(auth): cache Argon2 hash calculations [#793]
• fix(decomposedfs): write arbitrary metadata in one go [#791]
• Backport and fix of space membership expired event [#766]

✅ Tests

• fix(jsoncs3): wait for init before asserting the migration timeout [#792]

📈 Enhancement

• feat(ocdav): expose the video, motionPhoto and livePhoto facets [#790]
• mime: map the Nikon NRW raw extension [#773]
• enhancement(shares/jsoncs3): Shortcut migration on fresh system [#787]

📦️ Dependencies

• chore(deps): bump google.golang.org/grpc from 1.83.0 to 1.83.2 in the go_modules group across 1 directory [#794]

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

🟢 Metrics 0 complexity

Metric	Results
Complexity	0

View in Codacy

🟢 Coverage ∅ diff coverage · +0.00% coverage variation

Metric	Results
Coverage variation	✅ +0.00% coverage variation (-1.00%)
Diff coverage	✅ ∅ diff coverage

View coverage diff in Codacy

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (a065c9e)	88625	21144	23.86%
Head commit (ab65e0a)	88625 (+0)	21144 (+0)	23.86% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#3531)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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