Update delve version to be compatible with Go 1.19 (#7793)

In order to use the `production/docker` with an interactive debugger, we
need to upgrade the Delve tool to a version that works with the version
of Go which Loki uses: 1.19

cmd/loki/Dockerfile.debug

@@ -1,8 +1,7 @@
 # Directories in this file are referenced from the root of the project not this folder
 # This file is intended to be called from the root like so:
 # docker build -t grafana/loki -f cmd/loki/Dockerfile.debug .
-
+FROM grafana/loki-build-image:0.24.2 as build
-FROM grafana/loki-build-image as build
 ARG GOARCH="amd64"
 COPY . /src/loki
 WORKDIR /src/loki

loki-build-image/Dockerfile

@@ -51,7 +51,7 @@ FROM golang:1.19.2 as faillint
 RUN GO111MODULE=on go install github.com/fatih/faillint@v1.10.0
 
 FROM golang:1.19.2 as delve
-RUN GO111MODULE=on go install github.com/go-delve/delve/cmd/dlv@v1.7.3
+RUN GO111MODULE=on go install github.com/go-delve/delve/cmd/dlv@latest
 
 # Install ghr used to push binaries and template the release
 # This collides with the version of go tools used in the base image, thus we install it in its own image and copy it over.