GODRIVER-1951 Update the Go version for Evergreen builds to 1.16

Author: matthewdale

.evergreen/config.yml

@@ -1828,7 +1828,7 @@ axes:
         display_name: "Ubuntu 14.04"
         run_on: ubuntu1404-test
         variables:
-          GO_DIST: "/opt/golang/go1.15"
+          GO_DIST: "/opt/golang/go1.16"
 
   # OSes that require >= 3.2 for SSL
   - id: os-ssl-32
@@ -1840,20 +1840,20 @@ axes:
           - windows-64-vs2017-test
         variables:
           GCC_PATH: "/cygdrive/c/ProgramData/chocolatey/lib/mingw/tools/install/mingw64/bin"
-          GO_DIST: "C:\\golang\\go1.15"
+          GO_DIST: "C:\\golang\\go1.16"
           PYTHON3_BINARY: "C:/python/Python38/python.exe"
           VENV_BIN_DIR: "Scripts"
       - id: "ubuntu1604-64-go-1-15"
         display_name: "Ubuntu 16.04"
         run_on: ubuntu1604-build
         variables:
-          GO_DIST: "/opt/golang/go1.15"
+          GO_DIST: "/opt/golang/go1.16"
           PYTHON3_BINARY: "/opt/python/3.8/bin/python3"
       - id: "osx-go-1-15"
         display_name: "MacOS 10.14"
         run_on: macos-1014
         variables:
-          GO_DIST: "/opt/golang/go1.15"
+          GO_DIST: "/opt/golang/go1.16"
           PYTHON3_BINARY: python3
 
   # OSes that require >= 4.0 for SSL
@@ -1866,20 +1866,20 @@ axes:
           - windows-64-vs2017-test
         variables:
           GCC_PATH: "/cygdrive/c/ProgramData/chocolatey/lib/mingw/tools/install/mingw64/bin"
-          GO_DIST: "C:\\golang\\go1.15"
+          GO_DIST: "C:\\golang\\go1.16"
           PYTHON3_BINARY: "C:/python/Python38/python.exe"
           VENV_BIN_DIR: "Scripts"
       - id: "ubuntu1804-64-go-1-15"
         display_name: "Ubuntu 18.04"
         run_on: ubuntu1804-build
         variables:
-          GO_DIST: "/opt/golang/go1.15"
+          GO_DIST: "/opt/golang/go1.16"
           PYTHON3_BINARY: "/opt/python/3.8/bin/python3"
       - id: "osx-go-1-15"
         display_name: "MacOS 10.14"
         run_on: macos-1014
         variables:
-          GO_DIST: "/opt/golang/go1.15"
+          GO_DIST: "/opt/golang/go1.16"
           PYTHON3_BINARY: python3
 
   - id: os-aws-auth
@@ -1891,20 +1891,20 @@ axes:
           - windows-64-vsMulti-small
         variables:
           GCC_PATH: "/cygdrive/c/ProgramData/chocolatey/lib/mingw/tools/install/mingw64/bin"
-          GO_DIST: "C:\\golang\\go1.15"
+          GO_DIST: "C:\\golang\\go1.16"
           SKIP_ECS_AUTH_TEST: true
           PYTHON3: "C:/python/Python38/python.exe"
       - id: "ubuntu1804-64-go-1-15"
         display_name: "Ubuntu 18.04"
         run_on: ubuntu1804-test
         variables:
-          GO_DIST: "/opt/golang/go1.15"
+          GO_DIST: "/opt/golang/go1.16"
           PYTHON3: python3
       - id: "osx-go-1-15"
         display_name: "MacOS 10.14"
         run_on: macos-1014
         variables:
-          GO_DIST: "/opt/golang/go1.15"
+          GO_DIST: "/opt/golang/go1.16"
           SKIP_ECS_AUTH_TEST: true
           SKIP_EC2_AUTH_TEST: true
           PYTHON3: python3
@@ -1915,7 +1915,7 @@ buildvariants:
     run_on:
       - ubuntu1804-build
     expansions:
-      GO_DIST: "/opt/golang/go1.15"
+      GO_DIST: "/opt/golang/go1.16"
     tasks:
       - name: ".static-analysis"
 
@@ -1924,7 +1924,7 @@ buildvariants:
     run_on:
       - ubuntu1804-build
     expansions:
-      GO_DIST: "/opt/golang/go1.15"
+      GO_DIST: "/opt/golang/go1.16"
     tasks:
       - name: ".performance"
 
@@ -1933,7 +1933,7 @@ buildvariants:
     run_on:
       - ubuntu1804-test
     expansions:
-      GO_DIST: "/opt/golang/go1.15"
+      GO_DIST: "/opt/golang/go1.16"
     tasks:
       - name: ".compile-check"
 
@@ -1942,7 +1942,7 @@ buildvariants:
     run_on:
       - ubuntu1804-build
     expansions:
-      GO_DIST: "/opt/golang/go1.15"
+      GO_DIST: "/opt/golang/go1.16"
     tasks:
       - name: "atlas-test"
 
@@ -1951,7 +1951,7 @@ buildvariants:
     run_on:
       - ubuntu1804-build
     expansions:
-      GO_DIST: "/opt/golang/go1.15"
+      GO_DIST: "/opt/golang/go1.16"
     tasks:
       - name: "test-atlas-data-lake"