internal/apps: remove go version workaround

Remove go version workaround. This will be addressed by merging
#2871 first.

Use go1.23.0 instead of go1.23 since the latter includes pre-release
versions which we don't want here.

.github/workflows/smoke-tests.yml

@@ -106,7 +106,6 @@ jobs:
       matrix:
         # TODO: cross-compilation from/to different hardware architectures once
         #       github provides native ARM runners.
-        # NOTE: Also edit go_min below when changing the go versions here.
         go: [ "1.22", "1.23" ]
         build-env: [ alpine, bookworm, bullseye ]
         build-with-cgo: [ 0, 1 ]
@@ -185,7 +184,6 @@ jobs:
           tags: smoke-test
           build-args: |
             go=${{ matrix.go }}
-            go_min=1.22
             build_env=${{ matrix.build-env }}
             build_tags=${{ matrix.build-tags }}
             build_with_vendoring=${{ matrix.build-with-vendoring }}

internal/apps/go.mod

@@ -1,6 +1,6 @@
 module github.com/DataDog/dd-trace-go/internal/apps
 
-go 1.23
+go 1.23.0
 
 require (
 	golang.org/x/sync v0.7.0

internal/apps/setup-smoke-test/Dockerfile

@@ -52,15 +52,6 @@ RUN if [ "${go_libddwaf_ref}" != "" ]; then \
   go get -u github.com/DataDog/go-libddwaf/v3@${go_libddwaf_ref}; \
   fi
 
-
-# internal/apps/go.mod is usually on the latest go version, but this would fail
-# when we are testing against an older go version.
-#
-# TODO(fg) this is a workaround. We should probably move setup-smoke-test out
-# of internal/apps and into a separate directory.
-ARG go_min
-RUN go mod edit -go="${go_min}"
-
 RUN go mod tidy
 
 ARG build_with_vendoring