Update unstable images to Go 1.23rc1

- build/alpine-x64
- build/alpine-x86
- build/cgo-mingw-w64-x64
- build/cgo-mingw-w64-x86
- build/release
- combined

refs GH-1583

unstable/build/alpine-x64/Dockerfile

@@ -7,7 +7,7 @@
 
 # https://hub.docker.com/_/golang
 
-FROM amd64/golang:1.22.4-alpine3.20
+FROM amd64/golang:1.23rc1-alpine3.20
 
 # https://docs.github.com/en/packages/learn-github-packages/connecting-a-repository-to-a-package
 LABEL org.opencontainers.image.source="https://github.com/atc0005/go-ci"

unstable/build/alpine-x86/Dockerfile

@@ -7,7 +7,7 @@
 
 # https://hub.docker.com/_/golang
 
-FROM i386/golang:1.22.4-alpine3.20
+FROM i386/golang:1.23rc1-alpine3.20
 
 # https://docs.github.com/en/packages/learn-github-packages/connecting-a-repository-to-a-package
 LABEL org.opencontainers.image.source="https://github.com/atc0005/go-ci"

unstable/build/cgo-mingw-w64-x64/Dockerfile

@@ -7,7 +7,7 @@
 
 # https://hub.docker.com/_/golang
 
-FROM amd64/golang:1.22.4-bullseye
+FROM amd64/golang:1.23rc1-bullseye
 
 # https://docs.github.com/en/packages/learn-github-packages/connecting-a-repository-to-a-package
 LABEL org.opencontainers.image.source="https://github.com/atc0005/go-ci"

unstable/build/cgo-mingw-w64-x86/Dockerfile

@@ -7,7 +7,7 @@
 
 # https://hub.docker.com/r/i386/golang
 
-FROM i386/golang:1.22.4-bullseye
+FROM i386/golang:1.23rc1-bullseye
 
 # https://docs.github.com/en/packages/learn-github-packages/connecting-a-repository-to-a-package
 LABEL org.opencontainers.image.source="https://github.com/atc0005/go-ci"

unstable/build/release/Dockerfile

@@ -7,7 +7,7 @@
 
 # https://hub.docker.com/_/golang
 
-FROM amd64/golang:1.22.4-bookworm
+FROM amd64/golang:1.23rc1-bookworm
 
 # https://docs.github.com/en/packages/learn-github-packages/connecting-a-repository-to-a-package
 LABEL org.opencontainers.image.source="https://github.com/atc0005/go-ci"

unstable/combined/Dockerfile

@@ -7,7 +7,7 @@
 
 # https://hub.docker.com/_/golang
 
-FROM amd64/golang:1.22.4-bookworm as builder
+FROM amd64/golang:1.23rc1-bookworm as builder
 
 # Explicitly disable automatic fetching of Go toolchains newer than the
 # version explicitly provided by this container image.
@@ -101,7 +101,7 @@ RUN echo "Installing golangci-lint@${GOLANGCI_LINT_VERSION}" \
     && golangci-lint --version
 
 
-FROM amd64/golang:1.22.4-bookworm as final
+FROM amd64/golang:1.23rc1-bookworm as final
 
 # https://docs.github.com/en/packages/learn-github-packages/connecting-a-repository-to-a-package
 LABEL org.opencontainers.image.source="https://github.com/atc0005/go-ci"