Update to go1.16.5 (#5482)

Includes a number of updates to packages we use: math/big,
net, net/http/httputil, and archive/zip. See release notes at
https://golang.org/doc/devel/release#go1.16.minor

Fixes #5464

.github/workflows/boulder-ci.yml

@@ -34,7 +34,7 @@ jobs:
       matrix:
         # Add additional docker image tags here and all tests will be run with the additional image.
         BOULDER_TOOLS_TAG:
-          - go1.16.4_2021-05-06
+          - go1.16.5_2021-06-11
         # Tests command definitions. Use the entire docker-compose command you want to run.
         tests:
           # Run ./test.sh --help for a description of each of the flags.

docker-compose.yml

@@ -1,7 +1,7 @@
 version: '3'
 services:
   boulder:
-    image: &boulder_image letsencrypt/boulder-tools:${BOULDER_TOOLS_TAG:-go1.16.4_2021-05-06}
+    image: &boulder_image letsencrypt/boulder-tools:${BOULDER_TOOLS_TAG:-go1.16.5_2021-06-11}
     environment:
       FAKE_DNS: 10.77.77.77
       BOULDER_CONFIG_DIR: test/config

test/boulder-tools/tag_and_upload.sh

@@ -5,7 +5,7 @@ cd $(dirname $0)
 DATESTAMP=$(date +%Y-%m-%d)
 DOCKER_REPO="letsencrypt/boulder-tools"
 
-GO_VERSIONS=( "1.16.4" )
+GO_VERSIONS=( "1.16.5" )
 
 # Build a tagged image for each GO_VERSION
 for GO_VERSION in "${GO_VERSIONS[@]}"

test/integration/revocation_test.go

@@ -33,7 +33,7 @@ func isPrecert(cert *x509.Certificate) bool {
 
 // TestPrecertificateRevocation tests that a precertificate without a matching
 // certificate can be revoked using all of the available RFC 8555 revocation
-// authentication mechansims.
+// authentication mechanisms.
 func TestPrecertificateRevocation(t *testing.T) {
 	t.Parallel()
 	// Create a base account to use for revocation tests.