fix: enable CI workflows for the fork

Remove repository restrictions that were preventing workflows from running on forks.
This enables:
- CI/CD pipeline
- Codespell checks
- Rust CI tests
- Rust release workflow
- Codex GitHub action

.github/workflows/ci.yml

@@ -7,7 +7,6 @@ on:
 jobs:
   build-test:
     runs-on: ubuntu-latest
-    if: github.repository == 'openai/codex'
     timeout-minutes: 10
     env:
       NODE_OPTIONS: --max-old-space-size=4096

.github/workflows/codespell.yml

@@ -15,7 +15,6 @@ jobs:
   codespell:
     name: Check for spelling errors
     runs-on: ubuntu-latest
-    if: github.repository == 'openai/codex'
 
     steps:
       - name: Checkout

.github/workflows/codex.yml

@@ -17,12 +17,10 @@ jobs:
     # Note the label values should match the ones in the .github/codex/labels
     # folder.
     if: |
-      github.repository == 'openai/codex' && (
-        (github.event_name == 'issues' && (
-          (github.event.action == 'labeled' && (github.event.label.name == 'codex-attempt' || github.event.label.name == 'codex-triage'))
-        )) ||
-        (github.event_name == 'pull_request' && github.event.action == 'labeled' && (github.event.label.name == 'codex-review' || github.event.label.name == 'codex-rust-review'))
-      )
+      (github.event_name == 'issues' && (
+        (github.event.action == 'labeled' && (github.event.label.name == 'codex-attempt' || github.event.label.name == 'codex-triage'))
+      )) ||
+      (github.event_name == 'pull_request' && github.event.action == 'labeled' && (github.event.label.name == 'codex-review' || github.event.label.name == 'codex-rust-review'))
     runs-on: ubuntu-latest
     permissions:
       contents: write # can push or create branches

.github/workflows/rust-ci.yml

@@ -20,7 +20,6 @@ jobs:
   general:
     name: Format / etc
     runs-on: ubuntu-24.04
-    if: github.repository == 'openai/codex'
     defaults:
       run:
         working-directory: codex-rs
@@ -37,7 +36,6 @@ jobs:
   lint_build_test:
     name: ${{ matrix.runner }} - ${{ matrix.target }}
     runs-on: ${{ matrix.runner }}
-    if: github.repository == 'openai/codex'
     timeout-minutes: 30
     defaults:
       run:

.github/workflows/rust-release.yml

@@ -18,7 +18,6 @@ concurrency:
 jobs:
   tag-check:
     runs-on: ubuntu-latest
-    if: github.repository == 'openai/codex'
     steps:
       - uses: actions/checkout@v4
 
@@ -50,7 +49,6 @@ jobs:
     needs: tag-check
     name: ${{ matrix.runner }} - ${{ matrix.target }}
     runs-on: ${{ matrix.runner }}
-    if: github.repository == 'openai/codex'
     timeout-minutes: 30
     defaults:
       run: