chore(deps): bump golang from 1.19 to 1.20 in /deploy (#2388)

Bumps golang from 1.19 to 1.20.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

deploy/Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.19
+FROM golang:1.20
 WORKDIR /src
 
 # This arg is passed by docker buildx & contains the target CPU architecture (e.g., amd64, arm64, etc.)

deploy/Dockerfile_debug

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.19
+FROM golang:1.20
 WORKDIR /src
 
 # This arg is passed by docker buildx & contains the target CPU architecture (e.g., amd64, arm64, etc.)

deploy/Dockerfile_slim

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Builds the static Go image to execute in a Kubernetes job
-FROM golang:1.19
+FROM golang:1.20
 
 # This arg is passed by docker buildx & contains the target CPU architecture (e.g., amd64, arm64, etc.)
 ARG TARGETARCH

deploy/Dockerfile_warmer

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.19
+FROM golang:1.20
 WORKDIR /src
 
 # This arg is passed by docker buildx & contains the target CPU architecture (e.g., amd64, arm64, etc.)