Add stalebot for issues & pull requests

[KaanOzkan]

Motivation

Improve maintenance overhead and feedback cycle for issues/prs that need responses

Implementation

Uses https://github.com/actions/stale

Automated Tests

Manual Tests

[vinistock]

🚀

[github-actions]

Benchmark results in seconds (slowest at top)

          textDocument/completion average: 0.322652 std_dev: 0.015591
          textDocument/diagnostic average: 0.057585 std_dev: 0.012867
          textDocument/definition average: 0.005666 std_dev: 0.003458
      textDocument/selectionRange average: 0.004372 std_dev: 0.000667
 textDocument/semanticTokens/full average: 0.002358 std_dev: 0.000634
   textDocument/documentHighlight average: 0.002344 std_dev: 0.00053
        textDocument/documentLink average: 0.00234 std_dev: 0.000374
      textDocument/documentSymbol average: 0.002281 std_dev: 0.000432
            textDocument/codeLens average: 0.002272 std_dev: 0.000416
        textDocument/foldingRange average: 0.002097 std_dev: 0.00066
textDocument/semanticTokens/range average: 0.001099 std_dev: 0.000306
               codeAction/resolve average: 0.00086 std_dev: 0.000413
           textDocument/inlayHint average: 0.000754 std_dev: 0.000169
               textDocument/hover average: 0.000742 std_dev: 0.000287
    textDocument/onTypeFormatting average: 0.000113 std_dev: 0.00022
          textDocument/formatting average: 0.000112 std_dev: 0.000397
          textDocument/codeAction average: 6.0e-05 std_dev: 5.7e-05


================================================================================
Comparison with main branch:

 textDocument/semanticTokens/full unchanged
textDocument/semanticTokens/range unchanged
      textDocument/documentSymbol unchanged
        textDocument/foldingRange unchanged
          textDocument/formatting unchanged
          textDocument/diagnostic unchanged
        textDocument/documentLink unchanged
           textDocument/inlayHint unchanged
      textDocument/selectionRange unchanged
   textDocument/documentHighlight unchanged
               textDocument/hover unchanged
          textDocument/codeAction unchanged
    textDocument/onTypeFormatting unchanged
               codeAction/resolve unchanged
          textDocument/completion unchanged
            textDocument/codeLens unchanged
          textDocument/definition unchanged


================================================================================
Missing benchmarks:

RubyLsp::Requests::ShowSyntaxTree

[KaanOzkan]

Updated the time since reviews to trigger in the morning EST