Bump github.com/expr-lang/expr version to v1.17.7

[dhurley]

Proposed changes

Bump github.com/expr-lang/expr version to v1.17.7

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING document
• I have run make install-tools and have attached any dependency changes to this pull request
• If applicable, I have added tests that prove my fix is effective or that my feature works
• If applicable, I have checked that any relevant tests pass after adding my changes
• If applicable, I have updated any relevant documentation (README.md)
• If applicable, I have tested my cross-platform changes on Ubuntu 22, Redhat 8, SUSE 15 and FreeBSD 13

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.29%. Comparing base (f4a3c33) to head (ae3f528).
⚠️ Report is 1 commits behind head on release-3.6.2.

Additional details and impacted files

@@                Coverage Diff                @@
##           release-3.6.2    #1469      +/-   ##
=================================================
- Coverage          85.33%   85.29%   -0.04%     
=================================================
  Files                102      102              
  Lines              12993    12972      -21     
=================================================
- Hits               11088    11065      -23     
- Misses              1418     1420       +2     
  Partials             487      487              

see 2 files with indirect coverage changes

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