chore(deps): bump github.com/signintech/gopdf in /backend

Bumps [github.com/signintech/gopdf](https://github.com/signintech/gopdf) from 0.33.0 to 0.34.0.
- [Changelog](https://github.com/signintech/gopdf/blob/master/Changelog.md)
- [Commits](signintech/gopdf@v0.33.0...v0.34.0)

---
updated-dependencies:
- dependency-name: github.com/signintech/gopdf
  dependency-version: 0.34.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

backend/go.mod

@@ -19,7 +19,7 @@ require (
 	github.com/redis/go-redis/v9 v9.16.0
 	github.com/rs/zerolog v1.34.0
 	github.com/sendgrid/sendgrid-go v3.16.1+incompatible
-	github.com/signintech/gopdf v0.33.0
+	github.com/signintech/gopdf v0.34.0
 	github.com/spf13/cobra v1.10.2
 	github.com/spf13/viper v1.21.0
 	github.com/stretchr/testify v1.11.1

backend/go.sum

@@ -326,8 +326,8 @@ github.com/shirou/gopsutil v3.21.11+incompatible h1:+1+c1VGhc88SSonWP6foOcLhvnKl
 github.com/shirou/gopsutil v3.21.11+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/shopspring/decimal v1.4.0 h1:bxl37RwXBklmTi0C79JfXCEBD1cqqHt0bbgBAGFp81k=
 github.com/shopspring/decimal v1.4.0/go.mod h1:gawqmDU56v4yIKSwfBSFip1HdCCXN8/+DMd9qYNcwME=
-github.com/signintech/gopdf v0.33.0 h1:VanhSnrO03H9roKp4y4ckVmTmezxk8OzSJL/Sx1WlNg=
-github.com/signintech/gopdf v0.33.0/go.mod h1:d23eO35GpEliSrF22eJ4bsM3wVeQJTjXTHq5x5qGKjA=
+github.com/signintech/gopdf v0.34.0 h1:p1EWWucD5qZK0Ussm+9hR3/Zacb+y0bXy/ewtrEJ860=
+github.com/signintech/gopdf v0.34.0/go.mod h1:d23eO35GpEliSrF22eJ4bsM3wVeQJTjXTHq5x5qGKjA=
 github.com/spf13/afero v1.15.0 h1:b/YBCLWAJdFWJTN9cLhiXXcD7mzKn9Dm86dNnfyQw1I=
 github.com/spf13/afero v1.15.0/go.mod h1:NC2ByUVxtQs4b3sIUphxK0NioZnmxgyCrfzeuq8lxMg=
 github.com/spf13/cast v1.10.0 h1:h2x0u2shc1QuLHfxi+cTJvs30+ZAHOGRic8uyGTDWxY=
@@ -478,8 +478,8 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=