chore(deps): bump github.com/a8m/envsubst in the patch group

Bumps the patch group with 1 update: [github.com/a8m/envsubst](https://github.com/a8m/envsubst).


Updates `github.com/a8m/envsubst` from 1.4.2 to 1.4.3
- [Release notes](https://github.com/a8m/envsubst/releases)
- [Commits](a8m/envsubst@v1.4.2...v1.4.3)

---
updated-dependencies:
- dependency-name: github.com/a8m/envsubst
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: patch
...

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

go.mod

@@ -1,8 +1,10 @@
 module github.com/h44z/wg-portal
 
 go 1.23
+toolchain go1.24.0
+
 require (
-	github.com/a8m/envsubst v1.4.2
+	github.com/a8m/envsubst v1.4.3
 	github.com/coreos/go-oidc/v3 v3.12.0
 	github.com/gin-contrib/cors v1.7.3
 	github.com/gin-contrib/sessions v1.0.2

go.sum

@@ -25,8 +25,8 @@ github.com/AzureAD/microsoft-authentication-library-for-go v1.2.2 h1:XHOnouVk1mx
 github.com/AzureAD/microsoft-authentication-library-for-go v1.2.2/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
 github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
 github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
-github.com/a8m/envsubst v1.4.2 h1:4yWIHXOLEJHQEFd4UjrWDrYeYlV7ncFWJOCBRLOZHQg=
-github.com/a8m/envsubst v1.4.2/go.mod h1:MVUTQNGQ3tsjOOtKCNd+fl8RzhsXcDvvAEzkhGtlsbY=
+github.com/a8m/envsubst v1.4.3 h1:kDF7paGK8QACWYaQo6KtyYBozY2jhQrTuNNuUxQkhJY=
+github.com/a8m/envsubst v1.4.3/go.mod h1:4jjHWQlZoaXPoLQUb7H2qT4iLkZDdmEQiOUogdUmqVU=
 github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa h1:LHTHcTQiSGT7VVbI0o4wBRNQIgn917usHWOd6VAffYI=
 github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=