BUILD/MINOR: go: upgrade go version in our CIs

Author: mjuraga

.github/workflows/build.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - name: Set up Go 1.18
+    - name: Set up Go 1.19
       uses: actions/setup-go@v1
       with:
-        go-version: 1.18
+        go-version: 1.19
       id: go
 
     - name: Check out code into the Go module directory

.github/workflows/e2e.yml

@@ -12,10 +12,10 @@ jobs:
       uses: actions/checkout@v2
     - name: Downloading required packages
       run: sudo apt-get install bats
-    - name: Set up Go 1.18
+    - name: Set up Go 1.19
       uses: actions/setup-go@v1
       with:
-        go-version: 1.18
+        go-version: 1.19
     - run: make e2e
       env:
         HAPROXY_VERSION: ${{ matrix.haproxy_version }}

.gitlab-ci.yml

@@ -10,7 +10,7 @@ variables:
 diff:
   stage: lint
   image:
-    name: $CI_REGISTRY_GO/docker:stable-go1.18
+    name: $CI_REGISTRY_GO/docker:stable-go1.19
     entrypoint: [ "" ]
   services:
     - name: $CI_REGISTRY_GO/docker:20.10.5-dind
@@ -62,7 +62,7 @@ build:
     paths:
       - build
   image:
-    name: $CI_REGISTRY_GO/golang:1.18
+    name: $CI_REGISTRY_GO/golang:1.19
     entrypoint: [ "" ]
   tags:
     - go

README.md

@@ -9,7 +9,7 @@
 
 ## Building the Data Plane API
 
-In order to build the Data Plane API you need go 1.18 installed on your system with go modules support enabled, and execute the following steps:
+In order to build the Data Plane API you need go 1.19 installed on your system with go modules support enabled, and execute the following steps:
 
 1\. Clone dataplaneapi repository