[CI] Pin the ML Connect action to a specific sha

PiperOrigin-RevId: 762441171

Author: MichaelHudgins

.github/workflows/bazel_cpu_py_import_rbe.yml

@@ -55,7 +55,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
       # Halt for testing
       - name: Wait For Connection
-        uses: google-ml-infra/actions/ci_connection@main
+        uses: google-ml-infra/actions/ci_connection@7f5ca0c263a81ed09ea276524c1b9192f1304e3c
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
       - name: Run Bazel CPU tests with py_import (RBE)

.github/workflows/bazel_cpu_rbe.yml

@@ -54,7 +54,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
       - name: Wait For Connection
-        uses: google-ml-infra/actions/ci_connection@main
+        uses: google-ml-infra/actions/ci_connection@7f5ca0c263a81ed09ea276524c1b9192f1304e3c
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
       # Since we do not have a Linux Arm64 RBE pool, we do not run the tests on Arm64. Instead, we

.github/workflows/bazel_cuda_non_rbe.yml

@@ -106,7 +106,7 @@ jobs:
           exit 1
       # Halt for testing
       - name: Wait For Connection
-        uses: google-ml-infra/actions/ci_connection@main
+        uses: google-ml-infra/actions/ci_connection@7f5ca0c263a81ed09ea276524c1b9192f1304e3c
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
       - name: Run Bazel CUDA tests (Non-RBE)

.github/workflows/bazel_cuda_rbe.yml

@@ -50,7 +50,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
       - name: Wait For Connection
-        uses: google-ml-infra/actions/ci_connection@main
+        uses: google-ml-infra/actions/ci_connection@7f5ca0c263a81ed09ea276524c1b9192f1304e3c
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
       - name: Run Bazel CUDA Tests with RBE

.github/workflows/bazel_optional_h100_b200.yml

@@ -33,7 +33,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
       - name: Wait For Connection
-        uses: google-ml-infra/actions/ci_connection@main
+        uses: google-ml-infra/actions/ci_connection@7f5ca0c263a81ed09ea276524c1b9192f1304e3c
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
       - name: Run Bazel single B200 CUDA Tests
@@ -75,7 +75,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
       - name: Wait For Connection
-        uses: google-ml-infra/actions/ci_connection@main
+        uses: google-ml-infra/actions/ci_connection@7f5ca0c263a81ed09ea276524c1b9192f1304e3c
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
       - name: Run Bazel multiple H100 CUDA Tests

.github/workflows/build_artifacts.yml

@@ -127,7 +127,7 @@ jobs:
         run: echo "JAXCI_WRITE_TO_BAZEL_REMOTE_CACHE=1" >> $GITHUB_ENV
       # Halt for testing
       - name: Wait For Connection
-        uses: google-ml-infra/actions/ci_connection@main
+        uses: google-ml-infra/actions/ci_connection@7f5ca0c263a81ed09ea276524c1b9192f1304e3c
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
       - name: Build ${{ inputs.artifact }}

.github/workflows/numpy_nightly.yml

@@ -54,7 +54,7 @@ jobs:
           path: ml_dtypes
       # Halt for testing
       - name: Wait For Connection
-        uses: google-ml-infra/actions/ci_connection@main
+        uses: google-ml-infra/actions/ci_connection@7f5ca0c263a81ed09ea276524c1b9192f1304e3c
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
       - name: Install numpy & scipy development versions

.github/workflows/oldest_supported_numpy.yml

@@ -51,7 +51,7 @@ jobs:
           $JAXCI_PYTHON -m uv pip install -e .[minimum-jaxlib]
       # Halt for testing
       - name: Wait For Connection
-        uses: google-ml-infra/actions/ci_connection@main
+        uses: google-ml-infra/actions/ci_connection@7f5ca0c263a81ed09ea276524c1b9192f1304e3c
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
       - name: Run Pytest CPU tests

.github/workflows/pytest_cpu.yml

@@ -140,7 +140,7 @@ jobs:
           fi
       # Halt for testing
       - name: Wait For Connection
-        uses: google-ml-infra/actions/ci_connection@main
+        uses: google-ml-infra/actions/ci_connection@7f5ca0c263a81ed09ea276524c1b9192f1304e3c
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
       - name: Run Pytest CPU tests

.github/workflows/pytest_cuda.yml

@@ -138,7 +138,7 @@ jobs:
         run: $JAXCI_PYTHON -m uv pip install -r build/test-requirements.txt
       # Halt for testing
       - name: Wait For Connection
-        uses: google-ml-infra/actions/ci_connection@main
+        uses: google-ml-infra/actions/ci_connection@7f5ca0c263a81ed09ea276524c1b9192f1304e3c
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
       - name: Run Pytest CUDA tests