Switch from dotenv to dotenvy

Cargo.lock

@@ -755,10 +755,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "dotenv"
-version = "0.15.0"
+name = "dotenvy"
+version = "0.15.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
+checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
 
 [[package]]
 name = "drain_filter_polyfill"
@@ -1841,7 +1841,7 @@ dependencies = [
  "console_error_panic_hook",
  "diesel",
  "diesel_migrations",
- "dotenv",
+ "dotenvy",
  "flexi_logger",
  "http 1.1.0",
  "icondata",