Handle status comment IDs greater than i32

[Srynetix]

Also:

• Lock Rust version to 1.78.0
• Fix new clippy lints

[coveralls]

Pull Request Test Coverage Report for Build 9387644744

Details

• 18 of 25 (72.0%) changed or added relevant lines in 13 files are covered.
• 204 unchanged lines in 57 files lost coverage.
• Overall coverage decreased (-0.2%) to 75.7%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
crates/prbot-database-tests/src/testcase.rs	1	2	50.0%
crates/prbot-ghapi-interface/src/types/reviews/review_state.rs	0	2	0.0%
crates/prbot-models/src/checks_status.rs	0	2	0.0%
crates/prbot-models/src/step_label.rs	0	2	0.0%

Files with Coverage Reduction	New Missed Lines	%
crates/prbot-core/src/use_cases/pulls/add_pull_request_rule.rs	1	7.69%
crates/prbot-core/src/bot_commands/commands/admin/admin_set_default_reviewers.rs	1	0.0%
crates/prbot/src/commands/repository/pull_request_rule/mod.rs	1	0.0%
crates/prbot-server/src/webhook/pulls.rs	1	18.75%
crates/prbot-core/src/bot_commands/commands/admin/admin_set_pr_reviewers.rs	1	0.0%
crates/prbot-core/src/bot_commands/commands/user/set_automerge.rs	1	0.0%
crates/prbot-server/src/external/status.rs	1	0.0%
crates/prbot-core/src/bot_commands/commands/admin/admin_set_default_automerge.rs	1	0.0%
crates/prbot/src/commands/debug/mod.rs	1	0.0%
crates/prbot/src/commands/server.rs	1	0.0%

Totals
Change from base Build 8550677301:	-0.2%
Covered Lines:	12984
Relevant Lines:	17152

---

💛 - Coveralls