chore: raise FD limit on MacOS in health_check tests

MacOS tests are failing with `getaddrinfo ENOTFOUND`.

Chasing a suspicion that this may be us hitting FD limits, raise the FD
limits from 2560 to 10000, and see if that improves reliability.

Author: rix0rrr

.changeset/silent-peas-vanish.md

@@ -0,0 +1,2 @@
+---
+---

.github/workflows/health_checks.yml

@@ -150,6 +150,10 @@ jobs:
     timeout-minutes: 15
     steps:
       - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # version 4.1.4
+      - name: Increase ulimit
+        if: runner.os == 'macOS'
+        run: |
+          ulimit -n 10000
       - uses: ./.github/actions/setup_node
         with:
           node-version: ${{ matrix.node }}
@@ -478,6 +482,10 @@ jobs:
       contents: read
     steps:
       - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # version 4.1.4
+      - name: Increase ulimit
+        if: runner.os == 'macOS'
+        run: |
+          ulimit -n 10000
       - name: Run e2e deployment tests
         uses: ./.github/actions/run_with_e2e_account
         with:
@@ -526,6 +534,10 @@ jobs:
       contents: read
     steps:
       - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # version 4.1.4
+      - name: Increase ulimit
+        if: runner.os == 'macOS'
+        run: |
+          ulimit -n 10000
       - name: Run e2e sandbox tests
         uses: ./.github/actions/run_with_e2e_account
         with:
@@ -554,6 +566,10 @@ jobs:
       contents: read
     steps:
       - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # version 4.1.4
+      - name: Increase ulimit
+        if: runner.os == 'macOS'
+        run: |
+          ulimit -n 10000
       - uses: ./.github/actions/setup_node
         with:
           node-version: 18
@@ -612,6 +628,10 @@ jobs:
       - resolve_inputs
     steps:
       - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # version 4.1.4
+      - name: Increase ulimit
+        if: runner.os == 'macOS'
+        run: |
+          ulimit -n 10000
       - uses: ./.github/actions/setup_node
         with:
           node-version: ${{ matrix.node-version }}
@@ -644,6 +664,10 @@ jobs:
       id-token: write
       contents: read
     steps:
+      - name: Increase ulimit
+        if: runner.os == 'macOS'
+        run: |
+          ulimit -n 10000
       - name: Checkout aws-amplify/amplify-backend repo
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Run E2E flow tests with ${{ matrix.pkg-manager }}