Revert "fix: missing base64 encoding for env vars"

This reverts commit 211e90827f.

Cargo.lock

@@ -111,12 +111,6 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
 
-[[package]]
-name = "base64"
-version = "0.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
-
 [[package]]
 name = "bitflags"
 version = "1.2.1"
@@ -1712,7 +1706,7 @@ dependencies = [
 name = "qovery-engine"
 version = "0.1.0"
 dependencies = [
- "base64 0.13.0",
+ "base64 0.12.3",
  "chrono",
  "cmd_lib",
  "digitalocean",