Bump github.com/joho/godotenv from 1.4.0 to 1.5.1 (closes #3)

Bumps [github.com/joho/godotenv](https://github.com/joho/godotenv) from 1.4.0 to 1.5.1.
- [Release notes](https://github.com/joho/godotenv/releases)
- [Commits](https://github.com/joho/godotenv/compare/v1.4.0...v1.5.1)

Change-Id: I34571866d5f2ba106dee9c8aa8f4bb4b4e8a6903

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

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

Change-Id: I7d3f60d8ccbb885c49456c12e47aa199ab3999db
diff --git a/go.mod b/go.mod
index 4fe02a1..9c06a8a 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@
 require (
 	github.com/dgraph-io/badger/v3 v3.2103.5
 	github.com/gin-gonic/gin v1.8.1
-	github.com/joho/godotenv v1.4.0
+	github.com/joho/godotenv v1.5.1
 	github.com/mattn/go-jsonpointer v0.0.1
 	github.com/stretchr/testify v1.7.1
 )