all: bump Go to v1.19.9

> go1.19.9 (released 2023-05-02) includes three security fixes to the
> html/template package, as well as bug fixes to the compiler, the
> runtime, and the crypto/tls and syscall packages. See the Go 1.19.9
> milestone on our issue tracker for details.

Go 1.19.9 milestone:
https://github.com/golang/go/issues?q=milestone%3AGo1.19.9+label%3ACherryPickApproved

> go1.19.8 (released 2023-04-04) includes security fixes to the
> go/parser, html/template, mime/multipart, net/http, and net/textproto
> packages, as well as bug fixes to the linker, the runtime, and the
> time package. See the Go 1.19.8 milestone on our issue tracker for
> details.

Go 1.19.8 milestone:
https://github.com/golang/go/issues?q=milestone%3AGo1.19.8+label%3ACherryPickApproved

Signed-off-by: Robin Hahling <robin.hahling@gw-computing.net>

.github/workflows/tests.yml

@@ -22,7 +22,7 @@ jobs:
     - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
     - uses: actions/setup-go@4d34df0c2316fe8122ab82dc22947d607c0c91f9
       with:
-        go-version: '1.19.7'
+        go-version: '1.19.9'
     - name: Run static checks
       uses: golangci/golangci-lint-action@08e2f20817b15149a52b5b3ebe7de50aff2ba8c5
       with:

Makefile

@@ -25,7 +25,7 @@ hubble:
 	$(GO_BUILD) $(if $(GO_TAGS),-tags $(GO_TAGS)) -ldflags "-w -s -X 'github.com/cilium/hubble/pkg.GitBranch=${GIT_BRANCH}' -X 'github.com/cilium/hubble/pkg.GitHash=$(GIT_HASH)' -X 'github.com/cilium/hubble/pkg.Version=${VERSION}'" -o $(TARGET)
 
 release:
-	docker run --rm --workdir /hubble --volume `pwd`:/hubble docker.io/library/golang:1.19.7-alpine3.17 \
+	docker run --rm --workdir /hubble --volume `pwd`:/hubble docker.io/library/golang:1.19.9-alpine3.17@sha256:9668643a2e62d8bd298ef3663a96de4a70ceb2865b9b7cadd1d5e08387745103 \
 		sh -c "apk add --no-cache setpriv make git && \
 			/usr/bin/setpriv --reuid=$(RELEASE_UID) --regid=$(RELEASE_GID) --clear-groups make GOCACHE=/tmp/gocache local-release"