chore(deps): update golang docker tag to v1.23 (open-telemetry#34667)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| golang | stage | minor | `1.22` -> `1.23` |

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examples/demo/client/Dockerfile

@@ -1,6 +1,6 @@
 # Copyright The OpenTelemetry Authors
 # SPDX-License-Identifier: Apache-2.0
-FROM golang:1.22 as build
+FROM golang:1.23 as build
 WORKDIR /app/
 COPY . .
 RUN go env -w GOPROXY=direct

examples/demo/server/Dockerfile

@@ -1,6 +1,6 @@
 # Copyright The OpenTelemetry Authors
 # SPDX-License-Identifier: Apache-2.0
-FROM golang:1.22 as build
+FROM golang:1.23 as build
 WORKDIR /app/
 COPY . .
 RUN go env -w GOPROXY=direct

exporter/loadbalancingexporter/example/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.22 AS build
+FROM golang:1.23 AS build
 
 WORKDIR /src
 ADD . /src

exporter/splunkhecexporter/example/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.22 AS build
+FROM golang:1.23 AS build
 
 WORKDIR /src
 ADD . /src