fix: add condition to e2e-fork workflow (#6796)

* fix: add condition to e2e-fork workflow

* fix: update e2e.yaml to disallow running on forks

.github/workflows/e2e-fork.yml

@@ -18,7 +18,7 @@ jobs:
   # dynamically build a matrix of test/test suite pairs to run
   build-test-matrix:
     # run this job on forks and copies of ibc-go, for example: a public fork or a private copy of ibc-go.
-    if: ${{ github.repository != 'cosmos/ibc-go' || github.actor == 'dependabot[bot]' || github.event_name == 'workflow_dispatch' }}
+    if: ${{ github.repository != 'cosmos/ibc-go' || github.event.pull_request.head.repo.fork || github.actor == 'dependabot[bot]' || github.event_name == 'workflow_dispatch' }}
     runs-on: ubuntu-latest
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
@@ -37,7 +37,7 @@ jobs:
   # dynamically build a matrix of test/test suite pairs to run
   build-test-matrix-wasm:
     # run this job on forks and copies of ibc-go, for example: a public fork or a private copy of ibc-go.
-    if: ${{ github.repository != 'cosmos/ibc-go' || github.actor == 'dependabot[bot]' || github.event_name == 'workflow_dispatch' }}
+    if: ${{ github.repository != 'cosmos/ibc-go' || github.event.pull_request.head.repo.fork ||  github.actor == 'dependabot[bot]' || github.event_name == 'workflow_dispatch' }}
     runs-on: ubuntu-latest
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
@@ -62,7 +62,7 @@ jobs:
       RELAYER_ID: "hermes" # by default use hermes for fork e2es.
       FORK: "true"
     # run this job on forks and copies of ibc-go, for example: a public fork or a private copy of ibc-go.
-    if: ${{ github.repository != 'cosmos/ibc-go' || github.actor == 'dependabot[bot]' || github.event_name == 'workflow_dispatch' }}
+    if: ${{ github.repository != 'cosmos/ibc-go' || github.event.pull_request.head.repo.fork || github.actor == 'dependabot[bot]' || github.event_name == 'workflow_dispatch' }}
     needs:
       - build-test-matrix
     runs-on: ubuntu-latest
@@ -92,7 +92,7 @@ jobs:
 #      RELAYER_ID: "hyperspace" # by default use hyperspace relayer for fork wasm tests.
 #      FORK: "true"
 #    run this job on forks and copies of ibc-go, for example: a public fork or a private copy of ibc-go.
-#    if: ${{ github.repository != 'cosmos/ibc-go' || github.actor == 'dependabot[bot]' || github.event_name == 'workflow_dispatch' }}
+#    if: ${{ github.repository != 'cosmos/ibc-go' || github.event.pull_request.head.repo.fork || github.actor == 'dependabot[bot]' || github.event_name == 'workflow_dispatch' }}
 #    needs: build-test-matrix-wasm
 #    runs-on: ubuntu-latest
 #    strategy:

.github/workflows/e2e.yaml

@@ -25,7 +25,7 @@ jobs:
   # determine-image-tag will either output the PR number e.g. pr-1234 or the string main.
   # this will be used to tag the images that are built during the workflow.
   determine-image-tag:
-    if: ${{ !github.event.pull_request.draft && github.repository == 'cosmos/ibc-go' && github.actor != 'dependabot[bot]' }}
+    if: ${{ !github.event.pull_request.draft && github.repository == 'cosmos/ibc-go' && !github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' }}
     runs-on: ubuntu-latest
     outputs:
       simd-tag: ${{ steps.get-tag.outputs.simd-tag }}
@@ -50,7 +50,7 @@ jobs:
   e2e:
     # we will be running this job if the PR has not yet been marked for review, and we push additional changes.
     # we skip the job in this case.
-    if: ${{ !github.event.pull_request.draft && github.repository == 'cosmos/ibc-go' && github.actor != 'dependabot[bot]' }}
+    if: ${{ !github.event.pull_request.draft && github.repository == 'cosmos/ibc-go' && !github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' }}
     needs: determine-image-tag # we are required to have a docker tag before we can build any images.
     uses: ./.github/workflows/e2e-test-workflow-call.yml
     # unless we explicitly tell the workflow to inherit secrets, required secrets such as GITHUB_TOKEN will not be