require Go 1.19

Bump our minimum Go version and run CI against 1.20.

Signed-off-by: Lorenz Bauer <lmb@isovalent.com>

.semaphore/semaphore.yml

@@ -23,7 +23,7 @@ blocks:
       prologue:
         commands:
           - sudo sh -c 'swapoff -a && fallocate -l 2G /swapfile && chmod 0600 /swapfile && mkswap /swapfile && swapon /swapfile'
-          - sem-version go 1.19.5
+          - sem-version go 1.20.1
           - export PATH="$PATH:$(go env GOPATH)/bin"
           - checkout
           # Disabled, see https://github.com/cilium/ebpf/issues/898
@@ -63,7 +63,7 @@ blocks:
           - cache store
       - name: Run unit tests on previous stable Go
         commands:
-          - sem-version go 1.18
+          - sem-version go 1.19.6
           - go test -v ./cmd/bpf2go
           - gotestsum --raw-command --ignore-non-json-output-lines --junitfile junit.xml -- ./run-tests.sh $CI_MAX_KERNEL_VERSION -short -count 1 -json ./...
       - name: Run unit tests

go.mod

@@ -1,6 +1,6 @@
 module github.com/cilium/ebpf
 
-go 1.18
+go 1.19
 
 require (
 	github.com/frankban/quicktest v1.14.4