[NET-6650] Bump go version to 1.20.12 (#19840)

.changelog/19840.txt

@@ -0,0 +1,7 @@
+```release-note:security
+Upgrade to use Go 1.20.12. This resolves CVEs
+[CVE-2023-45283](https://nvd.nist.gov/vuln/detail/CVE-2023-45283): (`path/filepath`) recognize \??\ as a Root Local Device path prefix (Windows)
+[CVE-2023-45284](https://nvd.nist.gov/vuln/detail/CVE-2023-45285): recognize device names with trailing spaces and superscripts (Windows)
+[CVE-2023-39326](https://nvd.nist.gov/vuln/detail/CVE-2023-39326): (`net/http`) limit chunked data overhead
+[CVE-2023-45285](https://nvd.nist.gov/vuln/detail/CVE-2023-45285): (`cmd/go`) go get may unexpectedly fallback to insecure git 
+```

.github/workflows/build.yml

@@ -86,15 +86,15 @@ jobs:
     strategy:
       matrix:
         include:
-          - {go: "1.20.10", goos: "linux", goarch: "386"}
-          - {go: "1.20.10", goos: "linux", goarch: "amd64"}
-          - {go: "1.20.10", goos: "linux", goarch: "arm"}
-          - {go: "1.20.10", goos: "linux", goarch: "arm64"}
-          - {go: "1.20.10", goos: "freebsd", goarch: "386"}
-          - {go: "1.20.10", goos: "freebsd", goarch: "amd64"}
-          - {go: "1.20.10", goos: "windows", goarch: "386"}
-          - {go: "1.20.10", goos: "windows", goarch: "amd64"}
-          - {go: "1.20.10", goos: "solaris", goarch: "amd64"}
+          - {go: "1.20.12", goos: "linux", goarch: "386"}
+          - {go: "1.20.12", goos: "linux", goarch: "amd64"}
+          - {go: "1.20.12", goos: "linux", goarch: "arm"}
+          - {go: "1.20.12", goos: "linux", goarch: "arm64"}
+          - {go: "1.20.12", goos: "freebsd", goarch: "386"}
+          - {go: "1.20.12", goos: "freebsd", goarch: "amd64"}
+          - {go: "1.20.12", goos: "windows", goarch: "386"}
+          - {go: "1.20.12", goos: "windows", goarch: "amd64"}
+          - {go: "1.20.12", goos: "solaris", goarch: "amd64"}
       fail-fast: true
 
     name: Go ${{ matrix.go }} ${{ matrix.goos }} ${{ matrix.goarch }} build
@@ -183,7 +183,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - {go: "1.20.10", goos: "linux", goarch: "s390x"}
+          - {go: "1.20.12", goos: "linux", goarch: "s390x"}
       fail-fast: true
 
     name: Go ${{ matrix.go }} ${{ matrix.goos }} ${{ matrix.goarch }} build
@@ -234,7 +234,7 @@ jobs:
       matrix:
         goos: [ darwin ]
         goarch: [ "amd64", "arm64" ]
-        go: [ "1.20.10" ]
+        go: [ "1.20.12" ]
       fail-fast: true
 
     name: Go ${{ matrix.go }} ${{ matrix.goos }} ${{ matrix.goarch }} build

build-support/docker/Build-Go.dockerfile

@@ -1,7 +1,7 @@
 # Copyright (c) HashiCorp, Inc.
 # SPDX-License-Identifier: BUSL-1.1
 
-ARG GOLANG_VERSION=1.20.10
+ARG GOLANG_VERSION=1.20.12
 FROM golang:${GOLANG_VERSION}
 
 WORKDIR /consul