Bump github.com/garrettladley/mattress from 0.2.2 to 0.3.2 in /backend

Bumps [github.com/garrettladley/mattress](https://github.com/garrettladley/mattress) from 0.2.2 to 0.3.2.
- [Release notes](https://github.com/garrettladley/mattress/releases)
- [Commits](garrettladley/mattress@v0.2.2...v0.3.2)

---
updated-dependencies:
- dependency-name: github.com/garrettladley/mattress
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

backend/go.mod

@@ -3,7 +3,7 @@ module github.com/GenerateNU/sac/backend
 go 1.22.0
 
 require (
-	github.com/garrettladley/mattress v0.2.2
+	github.com/garrettladley/mattress v0.3.2
 	github.com/go-playground/validator/v10 v10.18.0
 	github.com/goccy/go-json v0.10.2
 	github.com/gofiber/fiber/v2 v2.52.0

backend/go.sum

@@ -21,8 +21,8 @@ github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nos
 github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
 github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0=
 github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk=
-github.com/garrettladley/mattress v0.2.2 h1:kL/AvDmas6DaAweHwdsm3IosY9zJIGj2uO+byxzhyrU=
-github.com/garrettladley/mattress v0.2.2/go.mod h1:OWKIRc9wC3gtD3Ng/nUuNEiR1TJvRYLmn/KZYw9nl5Q=
+github.com/garrettladley/mattress v0.3.2 h1:JsWsEwjXzlJXX7F/Zzmq7Xby1VAwzTJGGvf7DXPj4Jk=
+github.com/garrettladley/mattress v0.3.2/go.mod h1:OWKIRc9wC3gtD3Ng/nUuNEiR1TJvRYLmn/KZYw9nl5Q=
 github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
 github.com/go-openapi/jsonpointer v0.19.5 h1:gZr+CIYByUqjcgeLXnQu2gHYQC9o73G2XUeOFYEICuY=
 github.com/go-openapi/jsonpointer v0.19.5/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=