Bump minimum required Go version to 1.20

ti-mo · ti-mo · commit 4c10765c5c4e · 2023-10-16T15:20:24.000+02:00
Signed-off-by: Timo Beckers &lt;timo@incline.eu&gt;
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: [1.18, 1.19]
+        go-version: ["1.20", "1.21"]
     runs-on: ubuntu-latest
 
     steps:
diff --git a/.github/workflows/linux-integration-test.yml b/.github/workflows/linux-integration-test.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: [1.18, 1.19]
+        go-version: ["1.20", "1.21"]
     runs-on: ubuntu-latest
 
     steps:
diff --git a/.github/workflows/linux-test.yml b/.github/workflows/linux-test.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: [1.18, 1.19]
+        go-version: ["1.20", "1.21"]
     runs-on: ubuntu-latest
 
     steps:
diff --git a/go.mod b/go.mod
@@ -1,6 +1,6 @@
 module github.com/ti-mo/conntrack
 
-go 1.18
+go 1.20
 
 require (
 	github.com/google/go-cmp v0.6.0
