update builder image to use go1.21.3 (#1407)

Signed-off-by: cpanato <[email protected]>

Author: cpanato

.github/workflows/validate-release.yml

@@ -33,9 +33,9 @@ jobs:
     steps:
       - name: Check Signature
         run: |
-          cosign verify ghcr.io/gythialy/golang-cross:v1.21.2-0@sha256:4591478de440b8357b5e597b82b513188e29f5ed362168476bf9f8c30fa33916 \
+          cosign verify ghcr.io/gythialy/golang-cross:v1.21.3-0@sha256:6e2c885532ad276195d3e3f269055fb2742c8963b231d097c467758dd425a632 \
           --certificate-oidc-issuer https://token.actions.githubusercontent.com \
-          --certificate-identity "https://github.com/gythialy/golang-cross/.github/workflows/release-golang-cross.yml@refs/tags/v1.21.2-0"
+          --certificate-identity "https://github.com/gythialy/golang-cross/.github/workflows/release-golang-cross.yml@refs/tags/v1.21.3-0"
         env:
           TUF_ROOT: /tmp
 
@@ -44,7 +44,7 @@ jobs:
     needs:
       - check-signature
     container:
-      image: ghcr.io/gythialy/golang-cross:v1.21.2-0@sha256:4591478de440b8357b5e597b82b513188e29f5ed362168476bf9f8c30fa33916
+      image: ghcr.io/gythialy/golang-cross:v1.21.3-0@sha256:6e2c885532ad276195d3e3f269055fb2742c8963b231d097c467758dd425a632
 
     steps:
       - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0

release/cloudbuild.yaml

@@ -38,13 +38,13 @@ steps:
       - TUF_ROOT=/tmp
     args:
       - 'verify'
-      - 'ghcr.io/gythialy/golang-cross:v1.21.2-0@sha256:4591478de440b8357b5e597b82b513188e29f5ed362168476bf9f8c30fa33916'
+      - 'ghcr.io/gythialy/golang-cross:v1.21.3-0@sha256:6e2c885532ad276195d3e3f269055fb2742c8963b231d097c467758dd425a632'
       - '--certificate-oidc-issuer'
       - "https://token.actions.githubusercontent.com"
       - '--certificate-identity'
-      - "https://github.com/gythialy/golang-cross/.github/workflows/release-golang-cross.yml@refs/tags/v1.21.2-0"
+      - "https://github.com/gythialy/golang-cross/.github/workflows/release-golang-cross.yml@refs/tags/v1.21.3-0"
 
-  - name: ghcr.io/gythialy/golang-cross:v1.21.2-0@sha256:4591478de440b8357b5e597b82b513188e29f5ed362168476bf9f8c30fa33916
+  - name: ghcr.io/gythialy/golang-cross:v1.21.3-0@sha256:6e2c885532ad276195d3e3f269055fb2742c8963b231d097c467758dd425a632
     entrypoint: /bin/sh
     dir: "go/src/sigstore/fulcio"
     env:
@@ -67,7 +67,7 @@ steps:
         gcloud auth configure-docker \
         && make release
 
-  - name: ghcr.io/gythialy/golang-cross:v1.21.2-0@sha256:4591478de440b8357b5e597b82b513188e29f5ed362168476bf9f8c30fa33916
+  - name: ghcr.io/gythialy/golang-cross:v1.21.3-0@sha256:6e2c885532ad276195d3e3f269055fb2742c8963b231d097c467758dd425a632
     entrypoint: 'bash'
     dir: "go/src/sigstore/fulcio"
     env: