Bump golang to 1.20.6

Signed-off-by: Furkat Gofurov <[email protected]>

Author: furkatgofurov7

docs/book/src/development/development.md

@@ -5,7 +5,7 @@
 ### Install prerequisites
 
 1. Install [go][go]
-    - Get the latest patch version for go v1.19.
+    - Get the latest patch version for go v1.20.
 2. Install [jq][jq]
     - `brew install jq` on macOS.
     - `chocolatey install jq` on Windows.

docs/triage-party/Dockerfile

@@ -15,7 +15,7 @@
 # limitations under the License.
 
 
-FROM golang:1.20.5  as builder
+FROM golang:1.20.6  as builder
 
 RUN go get github.com/google/triage-party/cmd/server
 RUN go install github.com/google/triage-party/cmd/server@latest

hack/ensure-go.sh

@@ -31,7 +31,7 @@ EOF
   local go_version
   IFS=" " read -ra go_version <<< "$(go version)"
   local minimum_go_version
-  minimum_go_version=go1.20.0
+  minimum_go_version=go1.20.5
   if [[ "${minimum_go_version}" != $(echo -e "${minimum_go_version}\n${go_version[2]}" | sort -s -t. -k 1,1 -k 2,2n -k 3,3n | head -n1) && "${go_version[2]}" != "devel" ]]; then
     cat <<EOF
 Detected go version: ${go_version[*]}.