build(deps): bump resend from 1.5.0 to 1.6.0

Bumps [resend](https://github.com/resend/resend-ruby) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/resend/resend-ruby/releases)
- [Changelog](https://github.com/resend/resend-ruby/blob/main/CHANGELOG.md)
- [Commits](resend/resend-ruby@v1.5.0...v1.6.0)

---
updated-dependencies:
- dependency-name: resend
  dependency-version: 1.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -367,7 +367,7 @@ GEM
     regexp_parser (2.12.0)
     reline (0.6.3)
       io-console (~> 0.5)
-    resend (1.5.0)
+    resend (1.6.0)
       base64
       httparty (>= 0.22.0)
     rexml (3.4.4)
@@ -666,7 +666,7 @@ CHECKSUMS
   rdoc (8.0.0) sha256=03bf8c08a9639658855a0cfd77c0abca8325c227693f7f33f82957811348c469
   regexp_parser (2.12.0) sha256=35a916a1d63190ab5c9009457136ae5f3c0c7512d60291d0d1378ba18ce08ebb
   reline (0.6.3) sha256=1198b04973565b36ec0f11542ab3f5cfeeec34823f4e54cebde90968092b1835
-  resend (1.5.0) sha256=26a2e9d4e32c1f33eadf25b53810b0b78af73f85440d7d6fa6c340fdd6e3ca46
+  resend (1.6.0) sha256=d87038284a3687ec42b1e88b973c481bd5c27486cf3d7e25082c0b4889bd0b49
   rexml (3.4.4) sha256=19e0a2c3425dfbf2d4fc1189747bdb2f849b6c5e74180401b15734bc97b5d142
   rubocop (1.88.0) sha256=e420ddf1662d0ef34bc8a2910ac4b396a7ddda0b51a708264405241734b08e0b
   rubocop-ast (1.49.1) sha256=4412f3ee70f6fe4546cc489548e0f6fcf76cafcfa80fa03af67098ffed755035