Bump golang from 74cd6cd to e4292ae in /tests (jaegertracing#2618)

Bumps golang from `74cd6cd` to `e4292ae`.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

tests/Dockerfile

@@ -1,5 +1,5 @@
 # The Dockerfile's resulting image is purpose-built for executing Jaeger Operator e2e tests within the OpenShift release (https://github.com/openshift/release) using Prow CI.
-FROM golang@sha256:74cd6cd2c52b2fb7d9076899aabcfdf7dd827694c6f344697af4ada6f99cb3bb
+FROM golang@sha256:e4292aeda6e15a875bd602d1c539bada547b72b04bce769dd32ac833337eb4bf
 
 # Set the user to root
 USER root