Update faraday requirement from ~> 2.7.4 to >= 2.7.4, < 2.9.0

Updates the requirements on [faraday](https://github.com/lostisland/faraday) to permit the latest version.
- [Release notes](https://github.com/lostisland/faraday/releases)
- [Changelog](https://github.com/lostisland/faraday/blob/main/CHANGELOG.md)
- [Commits](lostisland/faraday@v2.7.12...v2.8.1)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -3,7 +3,7 @@ PATH
   specs:
     lunchmoney-ruby (0.5.0)
       activesupport (~> 7.0)
-      faraday (~> 2.7.4)
+      faraday (>= 2.7.4, < 2.9.0)
       sorbet-runtime (>= 0.5.10187)
 
 GEM
@@ -29,7 +29,7 @@ GEM
     drb (2.2.0)
       ruby2_keywords
     erubi (1.12.0)
-    faraday (2.7.12)
+    faraday (2.8.1)
       base64
       faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)

lunchmoney-ruby.gemspec

@@ -29,6 +29,6 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency("activesupport", "~> 7.0")
-  spec.add_dependency("faraday", "~> 2.7.4")
+  spec.add_dependency("faraday", ">= 2.7.4", "< 2.9.0")
   spec.add_dependency("sorbet-runtime", ">= 0.5.10187")
 end