chore: update latest Go version to 1.19

[quartzmo]

No description provided.

[quartzmo]

@codyoss Should any of these values also be changed to 1.19 in this PR?

.github/renovate.json:
  23          "constraints": {
  24:         "go": "1.18"
  25          }

apigeeregistry/go.mod:
  2  
  3: go 1.18
  4  

assuredworkloads/go.mod:
  2  
  3: go 1.18
  4  

baremetalsolution/go.mod:
  2  
  3: go 1.18
  4  

batch/go.mod:
  2  
  3: go 1.18
  4  

beyondcorp/go.mod:
  2  
  3: go 1.18
  4  

bigtable/go.mod:
  2  
  3: go 1.18
  4  

binaryauthorization/go.mod:
  2  
  3: go 1.18
  4  

cmd/go-cloud-debug-agent/internal/debug/elf/elf.go:
  8   * $FreeBSD: src/sys/alpha/include/elf.h,v 1.14 2003/09/25 01:10:22 peter Exp $
  9:  * $FreeBSD: src/sys/amd64/include/elf.h,v 1.18 2004/08/03 08:21:48 dfr Exp $
  10   * $FreeBSD: src/sys/arm/include/elf.h,v 1.5.2.1 2006/06/30 21:42:52 cognet Exp $

dataform/go.mod:
  2  
  3: go 1.18
  4  

gkebackup/go.mod:
  2  
  3: go 1.18
  4  

gkemulticloud/go.mod:
  2  
  3: go 1.18
  4  

profiler/kokoro/integration_test.sh:
  42  
  43: export GIMME_GO_VERSION=1.18.4
  44  export GIMME_ENV_PREFIX=/tmp/gimme_envs

run/go.mod:
  2  
  3: go 1.18
  4  

[codyoss]

@quartzmo The version in the go.mod files can stay the same.