cherry-pick #7861 to 1.67.x

[dfawley]

Sorry, it turns out GCS needs a patch release of 1.67 for this.

Original PR: #7861

RELEASE NOTES:

• credentials/alts: disable SRV and TXT lookups for handshaker service to prevent timeouts when retrieving credentials on systems containing a known bug in systemd-resolved.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.95%. Comparing base (a1c3cfb) to head (a396f1e).
Report is 1 commits behind head on v1.67.x.

Additional details and impacted files

@@             Coverage Diff             @@
##           v1.67.x    #7878      +/-   ##
===========================================
- Coverage    81.77%   80.95%   -0.82%     
===========================================
  Files          361      361              
  Lines        27817    35285    +7468     
===========================================
+ Hits         22746    28564    +5818     
- Misses        3866     5525    +1659     
+ Partials      1205     1196       -9     

Files with missing lines	Coverage Δ
...ntials/alts/internal/handshaker/service/service.go	69.23% <100.00%> (+0.80%)	⬆️
internal/resolver/dns/dns_resolver.go	89.47% <100.00%> (-1.40%)	⬇️

... and 313 files with indirect coverage changes

[purnesh42H]

lgtm