chore(deps): pin dependencies

.github/workflows/test.yaml

@@ -39,7 +39,7 @@ jobs:
         # https://github.com/actions/runner/issues/241#issuecomment-842566950
         shell: script -qec "bash --noprofile --norc -eo pipefail {0}"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -76,7 +76,7 @@ jobs:
         # https://github.com/actions/runner/issues/241#issuecomment-842566950
         shell: script -qec "bash --noprofile --norc -eo pipefail {0}"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -96,7 +96,7 @@ jobs:
     name: Memory
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -110,7 +110,7 @@ jobs:
     name: Loadtest
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
         with:
           fetch-depth: 0
       - name: Setup Nix Environment
@@ -127,7 +127,7 @@ jobs:
           postgrest-loadtest-against main ${{ steps.get-latest-tag.outputs.tag }}
           postgrest-loadtest-report > loadtest/loadtest.md
       - name: Upload report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4
         with:
           name: loadtest.md
           path: loadtest/loadtest.md